ICSE X Physics Machines
why can't a machine work as a force and a speed multiplier simultaneously?justify.
Asked by sankar.goswami
12th July 2015
11:36 AM
Answered by Expert
CBSE X Physics Electricity
- How does the air get ionised?
- Give relation between momentum and force.
Math question
- If the quadratic equation px^2^ +qx +r has the same sign as that of p, then find the relationship between p,q and r.
- How does the air get ionised?
- Give relation between momentum and force.
Math question
- If the quadratic equation px^2^ +qx +r has the same sign as that of p, then find the relationship between p,q and r.
Asked by samanvay.lakhotia
12th May 2016
1:51 PM
Answered by Expert
CBSE VIII Science Force and Pressure
It is mandatory for an object to move its place when we apply force on it or not?
Asked by kshitij.juhi
31st May 2016
7:11 PM
Answered by Expert
ICSE VI Physics Force
why do we say that force always acts in pairs, and what do we mean by consequential forces
Asked by Ritu
6th August 2016
10:36 PM
Answered by Expert
CBSE IX Physics Work and Energy
Plz solve question no 5 with proper explanation
Asked by adityaahuja099
27th November 2017
8:07 PM
Answered by Expert
ICSE X Physics Machines
tension here is acting in direction of effort
But should not it act opposite direction
tension here is acting in direction of effort
Asked by lovemaan5500
8th December 2017
12:59 PM
Answered by Expert
ICSE X Physics Force
Draw a graph showing relation bw acceleration and force and mass
Also explain it
Asked by lovemaan5500
16th December 2017
4:26 PM
Answered by Expert
CBSE IX Physics Force and Laws of Motion
A truck is hauling a trailer along a level road as figure illustrates.The mass of truck is m1=8500kg and that of the trailer is m2=27000kg.The 2 move with an acceleration of a=0.78m/s^2.Ignore the regarding forces of friction and air resistances.
(a)The magnitude of the tension in the horizontal drawbar between the trailer and the truck.
(b)The force that propels the truck forward:
(c)The action and reaction forces are:
Asked by saxenas55555
1st January 2018
11:44 PM
Answered by Expert
CBSE VIII Science
Differnces between conatct and non-contact force in point fast.
Asked by Singhrinki534
22nd January 2018
7:50 PM
Answered by Expert
CBSE XI Science Physics
A bullet of mass 0.03kg enters a block of wood with velocity of 600m/s and penetrative to a depth of 0.6m. Calculate the avenger resistive force exerted by the wooden block on bullet
Asked by Rovelglad46
31st January 2018
9:51 PM
Answered by Expert
NEET1 NEET1 Physics
Explain how to use psedo force in a lift
Asked by ashutosh25807
17th February 2018
7:08 AM
Answered by Expert
ICSE XI Science
Question - 1 : A stream of water flowing horizontally with a speed of 15 m/s gashes out of a tube of cross sectional area 10^-2 m^2 and hits a nearby vertical wall. Find the force exerted on the wall by the impact of water. Assume that water does not rebound from the wall. Take density of water to be 1 X 10^3 kg m^-3.
Asked by sudhanshubhushanroy
25th February 2018
4:16 PM
Answered by Expert
CBSE IX Physics
Explain 28 with figure
Asked by md775016
27th February 2018
9:41 PM
Answered by Expert
CBSE XII Science Physics
Kindly provide proper and complete solution with a plausible explanation.
Asked by Varsneya Srinivas
1st March 2018
8:02 AM
Answered by Expert
ICSE VIII Physics
differentitate between 1)force and pressure 2)1pascal and 1 newton
Asked by nathsantanukumar
23rd March 2018
7:18 PM
Answered by Expert
CBSE XII Science Physics
state the superposition principle for electrostatic force on a charge due to number of charges? using it obtain an expression for the total force exited on a point charge due to other two point charges.
Asked by Balan
26th March 2018
12:58 PM
Answered by Expert
ICSE VIII Physics Force and Pressure
give two examples to prove that the smaller the area of contact,the greater the pressure
Asked by nathsantanukumar
27th March 2018
5:16 PM
Answer Verified by Expert
CBSE XI Science Physics
Find the resultant of the following forces acting at a point - 1) 100√2 dyne along north - east. 2) 980√2 dyne along north - west and 3) 2.0g wt along south.
Asked by sudhirhanda144
22nd April 2018
3:17 PM
Answered by Expert
CBSE VIII Science Force and Pressure
A car comes in rest when its engine is switched off Name the Effect of force and agent.
Asked by kumarbhupender127
4th May 2018
6:33 AM
Answered by Expert
CBSE X Physics
How much is the viscous drag acting on a rocket driven sled that is going at a constant speed against a frictional force of 22000 N when the thrust of the engine is 31000 N.
Asked by acv27joy
6th May 2018
3:59 PM
Answered by Expert
CBSE IX Physics
A frictionless wagon is pushed, from rest, with a force of 60N for 14 seconds. If it then strikes a wall and comes to rest in 0.15 seconds, how much average force does the wall exert on the wall. GIVE WITH PROPER STEPS.
Asked by acv27joy
6th May 2018
8:21 PM
Answered by Expert
CBSE X Physics
A 680 kg rocket is to be lifted off the surface of the moon, where g = 1.67 m/s^2. What force is required to give it an upward accleration of 2 m/s^2. GIVE WITH PROPER STEPS
Asked by acv27joy
6th May 2018
8:25 PM
Answered by Expert
ICSE IX Physics Laws of Motion
what is the mathematical expression of newtons 3rd law of motion
Asked by Priyankamajumder73
12th May 2018
12:26 PM
Answered by Expert
JEE Plances JEE (Main) Physics
how shall i solve this numerical?please help!
Asked by pukai7229
15th May 2018
10:24 AM
Answered by Expert
CBSE X Physics
A ball moving with a velovity v strikes a wall moving towards the ball with a velocity u. An elastic impact lasts for t seconds. Find the mean elastic force actiong on the block in terms of m,v,u and t.
Asked by acv27joy
22nd May 2018
7:37 PM
Answered by Expert
NEET1 NEET1 Physics
A dipole with an electric moment p is at a distance r from a uniformly charged long thread find force acting on the dipole if vector p is oriented along the thread
Asked by tandonyashika
5th June 2018
7:15 PM
Answered by Expert
CBSE VIII Science
Can you give me some idea for making a working model of force
Asked by hmhomkar
6th June 2018
3:21 PM
Answered by Expert
CBSE XI Science Physics
In a particular system the units of length,mass and time are chosen to be 10cm,10g and 0.1s resp.The unit of force in this system will be equal to (A)0.1N (B)1N (C)10N (D)100N
Asked by Harjeet.ghuman
9th June 2018
3:30 PM
Answered by Expert
JEE Plances JEE (Main) Physics
instantaneous velocity of a body of mass 5kg is given v=(3tcube+2tsquare+25m/s)calculate the force experienced by the body at t=3sec
Asked by puneetgarg2555
15th June 2018
7:27 PM
Answered by Expert
CBSE XII Science Physics
Find the force.
Asked by pradeepjsme
27th June 2018
1:43 PM
Answered by Expert
ICSE X Physics
a bullet of mass 10 g travels with speed 500 m/s on striking a wooden target it penetrates 0.5 m inside calculate kinetic energy and resistive force
Asked by Samrat
28th June 2018
11:41 AM
Answered by Expert
ICSE X Physics
A ball of mass 100 gram moving with a velocity of 20 m per second is brought to rest in 0.02 second find the average retarding force acting on the ball
Asked by Samrat
29th June 2018
10:11 PM
Answered by Expert
ICSE X Physics
A bullet of mass 2g from moves with a velocity of the 300 metre per second it strikes a tree and penetrate to a depth of 5 cm before coming to rest what is the change in the bullets kinetic energy how much work does the tree do on the bullet what is the average retarding force of bullet
Asked by Samrat
29th June 2018
10:24 PM
Answered by Expert
ICSE X Physics
A car initially at rest picks up a velocity of 72 km per hour in 20 seconds if the mass of the car is 1000 kg find Force developed by its engine and distance covered by car
Asked by Samrat
29th June 2018
10:26 PM
Answered by Expert
ICSE X Physics
Cricket player holds a cricket ball of mass 100 grams by moving his hands back by 75 CM if the initial velocity of the ball is 108 km per hour find the retarding force applied by the player
Asked by Samrat
29th June 2018
10:28 PM
Answered by Expert
ICSE X Physics
What extra force should an engine of a car developed such that its velocity change from 18 km per hour to 72 km per hour over a distance of 20 metre when mass of is 900 kg
Asked by Samrat
29th June 2018
10:29 PM
Answered by Expert
ICSE X Physics
A cricket ball of mass 100 g moving with a velocity of 90 km per hour is brought to rest by a player by moving his hands back by 40 cm find impulse and time in which ball come to rest and force exerted by player
Asked by Samrat
29th June 2018
10:38 PM
Answered by Expert
CBSE X Physics
A bullet of mass 40 gram moving with a velocity of 900 km per hour strikes a wooden target and comes to rest after penetrating 50 cm calculate loss in kinetic energy and average force of friction
Asked by Samrat
30th June 2018
9:54 AM
Answered by Expert
ICSE X Physics
The valve of a cylinder containing 12 KG of compressed gas is opened and the cylinder empties in 1 minute 30 seconds if the gas comes out from the exit nozzle with an average velocity of 15 M per second find the force exerted on the cylinder
Asked by Samrat
30th June 2018
7:04 PM
Answered by Expert
ICSE X Physics
A car along with passengers weighs 2000 kg it accelerates from 36 km per hour to 90 km per hour in 10 seconds calculate a.acceleration b. Distance covered by car while accelerating c. momentum of car after 10 second d.force developed by the engine of car e.Total energy expanded during accelerationf. power of the engine in Kilowatt
Asked by Samrat
30th June 2018
7:18 PM
Answered by Expert
ICSE X Physics
A machine is driven by a 100 kg mass that falls 8 m in 4 seconds it lifts a load of 500 kg vertically upwards a.what is the force in Newton exerted by falling mass b.what is the work done by 100 kg mass falling through 8 m c. what is the power input to the machine d. If the efficiency of the machine 75% what is the power output of the machine e.what is the work done by the machine in 4 sec
Asked by Samrat
30th June 2018
7:24 PM
Answered by Expert
ICSE X Physics
A body of mass 20 kg falls from a height of 78.4 m to the ground and rebounds to a height of 19.6 M if the ball made contact with the ground for one fifth of a second hand force in KGF exerted by the ground on the body
Asked by Samrat
30th June 2018
9:12 PM
Answered by Expert
ICSE X Physics
Jet fighter of mass 10000 kg has it take off velocity of 200 m per second in a distance of 1000 M find the force developed by the engine and its power at the take off
Asked by Samrat
30th June 2018
9:14 PM
Answered by Expert
ICSE X Physics
cricket bail weighing 200 gram and moving with a velocity of 1 M per second is hit for 0.5 second in such a way that it returns in opposite direction with same velocity find the average force with which the blow is struck
Asked by Samrat
30th June 2018
9:30 PM
Answered by Expert
ICSE X Physics
Cricket ball weighing 200 gram Rises to a vertical height of 26 m and drops vertically into a fielders hand when 1.5 m above the ground the fielder brings it to rest in 1 /10 seconds calculate the velocity of ball as it reaches the fielders hand b.the average force that must be applied in stopping it
Asked by Samrat
30th June 2018
9:33 PM
Answered by Expert
CBSE VIII Science Force and Pressure
what will happen to abody in vaccum if force applied on it?
Asked by arajeevshashank
7th July 2018
6:48 PM
Answered by Expert
JEE Plances JEE (Main) Physics
Two smooth cylindrical bars weighing W each lie next to each other in contact .A similar third bar is placed over the two bars .Neglecting friction the minimum horizontal force on each lower bar necessary to keep them together is
Asked by m.nilu
10th July 2018
11:45 AM
Answered by Expert
JEE Plances JEE (Main) Physics
Could you please solve this numerical!!
Asked by pukai7229
10th July 2018
8:08 PM
Answered by Expert
JEE Plances JEE (Main) Physics
kindly solve (ref. 522)
Asked by arup.isro
12th July 2018
11:12 PM
Answered by Expert
JEE Plances JEE (Main) Physics
kindly solve (ref. 629)
Asked by arup.isro
12th July 2018
11:13 PM
Answered by Expert
JEE Plances JEE (Main) Physics
Four blocks with masses 4kg,3kg,2kg,1kg are pulled along a smooth horizontal surface. The masses of the blocks and tension in one cord are given. The pulling force F is
Asked by m.nilu
16th July 2018
9:57 PM
Answered by Expert
JEE Plances JEE (Main) Physics
A block of mass m is pulled on the smooth horizontal surface with the help of two ropes each of mass m, connected to the opposite faces of the block. The forces on the ropes are F and 2F. The pulling force on the block is
Asked by m.nilu
16th July 2018
10:00 PM
Answered by Expert
JEE Plances JEE (Main) Physics
A uniform rope of mass 2kg which can tolerate max tension 80N at any pt ,find max value of F which can be applied on 2kg block.
Asked by m.nilu
19th July 2018
9:00 AM
Answered by Expert
ICSE VII Physics Motion
Why an athlete land on sand after taking a long jump?
Asked by drsakuntalagogoi
25th July 2018
9:48 PM
Answered by Expert
JEE Plances JEE (Main) Physics
Two blocks are kept in contact as shown.Find (surfaces in contact are smooth) (a) forces exerted by floor on 20kg.(b) contact force bet two blocks.
Asked by m.nilu
29th July 2018
10:59 PM
Answered by Expert
ICSE VIII Physics Energy
When does a force do work
Asked by Manjokumargupta8084
31st July 2018
4:42 PM
Answered by Expert
JEE Plances JEE (Main) Physics
In the given situation wedge is moving towards right with an acceleration 5m/s^2 with the help of external force F.(m=1kg).Find acceleration of sphere,normal between sphere and wedge, and value of F.
Asked by m.nilu
3rd August 2018
10:24 AM
Answered by Expert
NEET1 NEET1 Physics
If the units of length and force are increased by four times the unit of energy will be increased by
Asked by valavanvino1011
14th August 2018
4:21 AM
Answered by Expert
JEE Plances JEE (Main) Physics
Consider the arrangement shown in fig.Friction coefficient for all the surfaces are shown in fig.and the rod connecting two upper blocks is horizontal.What is the minimum value F so that the rear two blocks start sliding with each other
Asked by m.nilu
14th August 2018
10:26 PM
Answered by Expert
JEE Plances JEE (Main) Physics
A system of masses is shown in fig with masses and coefficients of friction indicated .Calculate the max value of F for which there is no slipping anywhere,the minimum value of F for which B slides on C,the minimum value of F for which A slips on B.
Asked by m.nilu
16th August 2018
7:43 PM
Answered by Expert
NEET1 NEET1 Physics
Block A weight 4N and B weight 8N . The coefficient of kinetic friction is 0.25 for all surface. Find the force F to slide B weight a constant.speed when A.rests on B and moves with it find the force F to slide B a constant speed when A is held rest and find the force F to.solid.B at a constant speed when A and B are connected by a light cord passing over a.smooth pulley?
Asked by kanakpandeyyy
19th August 2018
12:26 PM
Answered by Expert
JEE Plances JEE (Main) Physics
Ref 910
Asked by arup.isro
19th August 2018
10:30 PM
Answered by Expert
JEE Plances JEE (Main) Physics
Ref 947
Asked by arup.isro
19th August 2018
10:31 PM
Answered by Expert
NEET1 NEET1 Physics
Assuming the length of chain to be L and coefficient of static friction. Compute the maximum length of the chain which can be held outside a table without sliding? If the coefficient of friction between an insect and bowl isu and the radius of the bowl is r find the maximum height to which the insect can crawl in the bowl? Ablock of mass 2kg is placed on the floor. The coefficient of static friction is 0.4 A force F of 2.5N is applied on the block as shown. Calculate the force of friction between the block and the floor?
Asked by tusharpandeyyy
20th August 2018
8:18 PM
Answered by Expert
NEET1 NEET1 Physics
Two cars of unequal masses use similar tyres if they are moving at the same initial speed the maximum stopping distance? A block placed on a horizontal surface is being pushed by a force F making an angle with the vertical if the coefficient of friction is u how much force is needed to get the block just started?
Asked by tusharpandeyyy
20th August 2018
8:23 PM
Answered by Expert
ICSE IX Physics Laws of Motion
Define the Normal Reaction force.
Asked by bsap6777
22nd August 2018
7:36 PM
Answer Verified by Expert
CBSE IX Physics Force and Laws of Motion
a force of 30n act on a body of mass 10kg at rest on a smooth surface . what will be the velocity of the body after 5 seconds
Asked by 291170634956051
27th August 2018
6:00 PM
Answered by Expert
ICSE X Physics Force
f=(m*v^2)/r.... explain........
Asked by keshavendu35
31st August 2018
1:03 PM
Answered by Expert
NEET1 NEET1 Physics
A tunnel is dug along a diameter of the earth. The force on a particle of mass m placed in the tunnel at a distance x from the centre is
Asked by valavanvino1011
1st September 2018
5:10 PM
Answered by Expert
ICSE IX Physics
A balloon of volume 800 centimetre cube is filled with hydrogen gas of density 9 x 10 raise to power minus 5 gram per centimetre cube. If the empty balloon weighs 0. 3 gf and density of air is 1. 3 x 10 raise to power minus 3 gram per centimetre cube, calculate the lifting power of balloon
Asked by baneetkumar67
2nd September 2018
7:22 PM
Answered by Expert
CBSE IX Physics Force and Laws of Motion
An object experience a net zero external unbalanced force . Is it possible for the object to be traveling with non zero velocity
Asked by warkarkailash
6th September 2018
6:50 PM
Answer Verified by Expert
ICSE IX Physics
A Porsche 911 accelerates from rest to 27ms^1 due north in 5.8 seconds the mass of the car is 1400 kg what is the magnitude and direction of the average net force that acts on the Porsche the final answer is 6500 N
Asked by diksha.jadhav
8th September 2018
6:22 PM
Answered by Expert
ICSE IX Physics
An empty airplane has a mass of 30400 kg and a take-off acceleration of 1.20 ms^2. what is the net force accelerating the plane the final answer is 36500N
Asked by diksha.jadhav
8th September 2018
6:27 PM
Answered by Expert
ICSE IX Physics
A cricket ball of mass 0.1 kg moving at a speed of 30 ms^1 is brought to rest by a player in 0.03 second find the average forceapplied by the player ANS IN DETAIL the final answer is 720N
Asked by diksha.jadhav
8th September 2018
9:46 PM
Answered by Expert
ICSE X Physics
What is resistive force?
Asked by jaiswalsindhuli717
14th September 2018
5:27 PM
Answered by Expert
ICSE VI Physics Force
A boy holding a cricket bat is exerting no force. State true or false
Asked by apurvasharmapkl23
18th September 2018
11:29 PM
Answered by Expert
ICSE VIII Physics Force and Pressure
Q1. Why do we sink when we step on one leg in sand?
Asked by Chandrashekhar
24th September 2018
7:52 PM
Answered by Expert
CBSE XI Science Physics
find magnitude and direction of the force acting on the particle mass m during its motion in the plane xy according to the law x =asin wt , where a,b ,w are constant
Asked by samyakagarwal7may
8th October 2018
12:40 AM
Answered by Expert
CBSE VII Science Motion and Time
Explain the following concept in your own word with everyday example . Force ,work,displacement ,velocity, acceleration,distance
Asked by sujayavi2
9th October 2018
10:08 AM
Answered by Expert
CBSE XI Science Physics
The sum of magnitude o3 two forces acting at a point is 16N .if the resultant force is 8N and its direction is perpendicular to smaller force ,then the force are
Asked by nihalkhan63344
21st October 2018
9:40 PM
Answered by Expert
JEE Plances JEE (Main) Physics
If the coefficient of friction between all surfaces (figure) is 0.4, then find the minimum force F to have equilibrium of the system
Asked by suhasgreatno1
24th October 2018
7:55 PM
Answered by Expert
IIT JEE Main Physics
Sir pls solve the following.
Asked by rsudipto
22nd December 2018
8:04 PM
Answered by Expert
ICSE X Physics Force
What is Force?
Asked by soumikchatterjee2003
24th December 2018
1:13 AM
Answered by Expert
ICSE X Physics
Please explain the theory in the image.
Asked by kandappan
30th December 2018
9:15 AM
Answered by Expert
CBSE VIII Science Force and Pressure
name the differnet types of forces in nature and their effect
Asked by jasmeetsingh3537
10th January 2019
8:50 PM
Answered by Expert
ICSE VIII Physics Force and Pressure
A force of 20 N moves a body with in acceleration of 2 ms. What is its mass?
Asked by aliaqat844
4th February 2019
11:31 AM
Answered by Expert
CBSE IX Physics
A hammer of mass 500g moving with 50m/s strikes a nail.this stops the hammer in a small time interval of 0.01 second.what is the change in momentum suffered by the hammer?also calculate the force of hammer on the nail.what will be the force of nail on the hammer.give reason for your answer
Asked by hridhyavijay
8th February 2019
7:43 PM
Answered by Expert
ICSE VI Physics Force and Pressure
What changes can a force produce to the motion of an object
Asked by Umeshkarua351
9th February 2019
10:20 AM
Answered by Expert
ICSE IX Physics Laws of Motion
Define 1kgf and derive the relation between kgf and S.I. Unit of Force.
Asked by malapandey8278
9th February 2019
2:09 PM
Answered by Expert
ICSE X Physics Work, Energy and Power
A force of 15N is required to pull up a body of mass 2kg through a distance 5 m along an inclined plane making an angle of 30° with the horizontal. Calculate: Work done by the force in pulling the body, Force due to gravity on the body Work done against the force due to gravity (g=9.8 m/s2) Account for the difference in ans.s of 1. And 3.
Asked by malapandey8278
11th February 2019
7:49 AM
Answered by Expert
CBSE VIII Science
What will happen to a body when we pull it?
Asked by Lanzmik
19th March 2019
12:02 AM
Answered by Expert
CBSE VIII Science Force and Pressure
How can we change the direction of motion of a moving body?
Asked by Lanzmik
19th March 2019
12:15 AM
Answer Verified by Expert
IIT JEE Main Physics
Please solve the question in photo
Asked by Vidushi412
24th March 2019
5:48 PM
Answered by Expert
IIT JEE Main Physics
A ring has a charge distribution as show in the figure.if charge q is placed at the centre of ring, the net force experinced by it is .
Asked by anshuman.anshuman090
5th April 2019
10:51 PM
Answered by Expert
IIT JEE Main Physics
In the above question if the charge distributed is changed as shown in figure, the force on q is
Asked by anshuman.anshuman090
6th April 2019
9:12 PM
Answered by Expert
CBSE VIII Science Force and Pressure
BY APPLYING A FORCE OF I NEWTON APPROXIMATELY HOW MUCH MASS WE CAN HOLD IN OUR HAND
Asked by RASUSU90
17th April 2019
3:30 PM
Answered by Expert
CBSE VIII Science Force and Pressure
difference between force and pressure
Asked by gauharkumar1323
7th May 2019
1:26 PM
Answered by Expert
ICSE VIII Physics
A force F acts on an area of 600 cm2 and produces a pressure of 12500 Pa .calc Calculate the magnitude of F
Asked by rudramunipayas
20th May 2019
10:03 PM
Answered by Expert
CBSE XI Science Physics Laws of Motion
Hii
Asked by jain.pradeep
27th May 2019
6:49 PM
Answered by Expert
CBSE XII Science Physics
Tick the correct answer.only one can be correct .
Asked by jain.pradeep
31st May 2019
1:38 PM
Answered by Expert
ICSE X Physics Force
the main gate of the building is 2.6m broad.it can be opened by applying a force of 80N at the middle of the gate 1) calculate the least force which can open the door 2) where should the force be applied
Asked by pradipdhole
10th June 2019
10:57 PM
Answered by Expert
ICSE X Physics
What are the effects of a force acting on an object?
Asked by Madhaviraipurkar123
11th June 2019
7:25 AM
Answered by Expert
CBSE XII Science Physics
In a certain region of space, electric field is along the z-direction throughout. The magnitude of electric field is, however, not constant but increases uniformly along the positive z-direction, at the rate of 105 NC-1 per metre. What are the force and torque experienced by a system having a total dipole moment equal to 10-7 Cm in the negative z-direction?
Asked by balad6392
15th June 2019
9:16 PM
Answered by Expert
CBSE VIII Science Force and Pressure
why does a truck have more wheels
Asked by manjula.rajoli
17th June 2019
10:21 AM
Answered by Expert
NEET NEET Physics
From the diagram given find out the minimum force that can be applied in any direction so that the resultant force is along EAST?
Asked by astutijoshi
25th June 2019
5:38 PM
Answered by Expert
IIT JEE Main Physics
three blocks m1=3 kg, m2=2 kg and m3=5 kg lie on an inclined frictionless surface making an angle 30degree with the horizontal. take g=10m/s^2 1)What force parallel to the incline is needed to push the blocks up the plane with an acceleration a=2m/s^2? please answer it fast. 2)find the contact force between (m1 and m2) & (m2 and m3).When the blocks are moving up with an acceleration of 2 m/s^2 up the incline.
Asked by ashu.agrawal2003
5th July 2019
11:24 PM
Answered by Expert
ICSE VIII Physics
Explain about force and pressure.
Asked by Kemkaranita
15th July 2019
7:55 PM
Answered by Expert
CBSE IX Physics
A car of mass 1500 kg is moving with a a velocity of 50 kilometre per hour and travel a distance 90 km in 2 hours . Find its acceleration and force produced by it.
Asked by gangaramgourkar23
16th July 2019
5:56 PM
Answered by Expert
CBSE IX Physics
A dynamometer D is attatced to two masses 
=3kg and 
=5 kg. Forces of 
= 9N & 
= 25N are applied to the masses as shown :
=3kg and =5 kg. Forces of = 9N & = 25N are applied to the masses as shown :
Asked by rana.rajindra123
17th July 2019
4:41 PM
Answered by Expert
CBSE IX Physics
a force applied on a bodu of 1.2kg for0.2 s and the body travelled a distance of 2m in the round. Find the force applied on the body.
Asked by garimasinha991
23rd July 2019
5:10 PM
Answered by Expert
CBSE X Physics
why does a cricket player moves his hand backwards which catching a fast cricket ball ?
Asked by kishor.kp14
24th July 2019
9:24 PM
Answered by Expert
CBSE IX Physics
Name the physical quality whick corresponds to the rate of change of momentum.
Asked by kishor.kp14
25th July 2019
3:51 PM
Answered by Expert
NEET NEET Physics
Solutions 2, 3,&4 please sir ,q.n 3 nhi ban raha hai
Asked by brijk456
31st July 2019
10:14 AM
Answered by Expert
CBSE XI Science Physics
A boy wants to hold a 50 kg box at rest ona snow covered hill. The hill makes an angle of 30 with the horizontal. What force the boy must exert parallel to the slope
Asked by ranjanashishsharma7979
4th August 2019
9:26 PM
Answered by Expert
ICSE VII Physics Motion
The earth attracts a body of mass 1kg with a force of 10N. The mass of a boy is 50 kg. His weight Wii be
Asked by girijabokil
10th August 2019
12:54 PM
Answered by Expert
CBSE IX Physics Gravitation
two objects of masses m1 and m2 when seperated by distance 'd'in air attract each other with force 4N.how is magnitude of force changed vwhen masses of object is reduced to one half??
Asked by arajeevshashank
26th August 2019
6:16 PM
Answered by Expert
ICSE IX Physics
I need an answer to the following question:- If action and reaction are equal and opposite,then how can a motion ever happen?
Asked by somebodyunknown2004
29th August 2019
9:51 PM
Answered by Expert
ICSE XI Science Physics
A dynamometer is attached to two blocks of masses 6 kg and 4 kg . Forces of 20N and 10N are applied on the blocks. Find the dynamometer reading in the steady state .
Asked by siddharthjaiswal1122
30th August 2019
10:17 PM
Answered by Expert
IIT JEE Main Physics
please solve the 14th question!!
Asked by amritchirania
1st September 2019
6:19 PM
Answered by Expert
ICSE VIII Physics Force and Pressure
numericals on force and pressure
Asked by munmunsarkarjal
3rd September 2019
2:38 PM
Answered by Expert
IIT JEE Main Physics
Please solve the problem in the image urgently...
Asked by subhrajayanta64
4th September 2019
11:31 PM
Answered by Expert
CBSE XI Science Physics Motion in a Straight Line
Slove the questions
Asked by arya7117aman
13th September 2019
12:18 PM
Answered by Expert
CBSE XI Science Physics
solve this question
Asked by suchananag2002
14th September 2019
8:36 PM
Answered by Expert
CBSE VIII Science Force and Pressure
What is meant by tensile strength? How is this property utilized in certain applications?
Asked by rajubarman
15th September 2019
9:04 AM
Answered by Expert
ICSE VIII Physics Force and Pressure
The main gate of building is 2.6 metre broad it can be open by applying a force of 80 Newton at the middle of a calculate the least force which can open the gate
Asked by anshvashishth19
15th September 2019
3:34 PM
Answered by Expert
NEET NEET Physics
Please answer this
Asked by Prashant DIGHE
17th September 2019
10:02 PM
Answered by Expert
IIT JEE Main Physics Laws of Motion
An object kept on a smooth inclined plane of 1 in l can be kept stationary relative to the incline by giving a horizontal acceleration of _______ to the inclined plane. Fill in the blank with the correct option: A. g/√l^2-1 B. g/√1-l^2 C. g√l^2-1 D. 1/g√1-l^2
Asked by Sridevi
20th September 2019
6:29 PM
Answered by Expert
ICSE VIII Physics Force and Pressure
Calculate the force needed to speed up a scooter with a rate of 8ms-2,if the mass of the car is 56kg.
Asked by ashokupadhyay2271
21st September 2019
3:47 PM
Answered by Expert
ICSE X Physics
a scooter is moving with an initial velocity of 90km/hr and it takes 10 secs to stop it after the 3 brakes are applied. calculate the force exerted by the brakes on the scooter if its mass along with the rider is 200kg. calculate the force exerted by the brakes if the mass is halved
Asked by yeshaswivinod2005
22nd September 2019
3:18 PM
Answered by Expert
CBSE XI Science Physics
A block of mass 2 kg is placed on smooth wedge of mass 10 kg which in turn is placed on smooth horizontal surface as shown. What should be the minimum force ‘F’ to be applied on wedge so that acceleration of block is maximum?
Asked by ganeshkolipaka328
23rd September 2019
7:15 PM
Answered by Expert
CBSE XII Science Physics
Please explain the sin cos vector distribution
Asked by prakriti12oct
4th October 2019
1:07 PM
Answered by Expert
NEET NEET Physics
If U(xyz)= (xy+yz+zx), then find force act on particle at point (1m, -1m, 2m).
Asked by patra04011965
8th October 2019
7:29 PM
Answered by Expert
