CBSE IX Physics Gravitation
What will happen if?
Asked by
12th March 2008
11:43 PM
Answered by Expert
CBSE IX Physics Gravitation
its a MCQ question
Asked by studdybuddy
13th March 2008
12:36 PM
Answered by Expert
CBSE XI Science Physics Gravitation
The mass and diameter of a planet are twice those of earth. What will be the period of oscillation of a pendulum on this planet if its a seconds pendulum on earth?
(A)
second
(B) 
seconds
(C) 
second
(D)
second
second seconds second second
Asked by Sweta S
27th October 2014
11:35 AM
Answered by Expert
NEET1 ALL Class Physics Friction
what is the relation between friction and gravity?
Asked by smarttech2090
12th October 2017
7:57 PM
Answered by Expert
CBSE IX Physics
where it will profitable to buy one kilogram sugar?
ans.. but according to me
at poles it is best to buy one kilogram sugar because the value of g is greater at equator then at poles
but accoording to you the answer is
Asked by ujjwalviky2003
26th October 2017
7:47 PM
Answered by Expert
CBSE IX Physics Gravitation
moon has no atmoshphere?why
Asked by ujjwalviky2003
29th October 2017
10:26 PM
Answered by Expert
NEET1 NEET1 Physics
What is the gravitational force on am object of mass m inside a spherical shell of mass M and radius R, at a distance of R/2 from the center
Asked by anirbanbag81
4th November 2017
9:06 AM
Answered by Expert
JEE Plances ALL Class Physics Gravitation
ques 6
ques 6
Asked by rbhatt16
17th November 2017
8:37 PM
Answered by Expert
ICSE IX Physics Laws of Motion
what is gravitational lensing and how is it used to find black holes and after a body is disintegrated in a black hole will the black hole use the energy for itself?? how near is a black hole to the earth?? and do aliens and U.F.O's really exist
Asked by rajarambhoote
28th November 2017
12:01 PM
Answered by Expert
JEE Plances ALL Class Physics Forces and Laws of Motion
plz answer this questions
plz answer this questions
Asked by Umesh
1st December 2017
9:49 AM
Answered by Expert
ICSE IX Physics Upthrust in Fluids, Archimedes' Principle and Floatation
what is the time and space continuoum & what relation is it with people
Asked by rajarambhoote
1st December 2017
8:41 PM
Answered by Expert
NEET1 ALL Class Physics Gravitation
Sir/maam how to solve this 2 questions 
Asked by amitjena226
11th December 2017
10:01 AM
Answered by Expert
JEE Plances ALL Class Physics Gravitation
From fig i want to know with what velocity the body strikes mass 4M from neutral point?
Asked by venkat
11th December 2017
11:34 AM
Answered by Expert
JEE Plances ALL Class Physics Gravitation
But the ans is √27GM÷R. They gave with this velocity the object of mass m strikes heavier mass 4M from neutral point
Asked by venkat
12th December 2017
2:29 PM
Answered by Expert
CBSE IX Physics Gravitation
you find a bag of cotton and an iron bar each indicating a mass of 100kg when measures on a weighing machine. in reality one is heavier than other. can you say which one is heavier and why?
Asked by ujjwalviky2003
23rd December 2017
6:05 AM
Answered by Expert
JEE Plances ALL Class Physics Sound Waves
ques18
ques18
Asked by rbhatt16
27th December 2017
11:48 PM
Answered by Expert
JEE Plances ALL Class Physics
ques17
ques17
Asked by rbhatt16
27th December 2017
11:52 PM
Answered by Expert
Junior IV EVS
can gravity attract fire?
Asked by ghodkess81
2nd January 2018
8:59 PM
Answered by Expert
JEE Plances JEE (Main) Physics
An object is projected from earth's surface with escape velocity at 30°with horizontal . What is the angle made by velocity with horizontal when object reaches height 2R from earth's surface?
Asked by jainkiran2014
6th January 2018
9:54 AM
Answered by Expert
NEET1 NEET1 Physics
The maximum vertical distance through which a fully dressed astronaut can jump on the earth is 0.5 m. If mean density of the moon is two thirds that of the earth and radius is one quarter that of the earth, the maximum vertical distance through which he can jump on the moon and the ratio of time of duration of the jump
Asked by rushikeshyeole21
1st February 2018
4:58 PM
Answered by Expert
CBSE IX Physics Gravitation
How is the gravity of earth created ?
Asked by 554521421576190
6th February 2018
3:59 PM
Answered by Expert
CBSE IX Physics Gravitation
The earth is acted upon by gravitation of the sun,even though it does not fall into the sun.why?
Asked by Pawanpradhan2003
19th February 2018
7:06 PM
Answered by Expert
ICSE X Physics
Suppose the earth shrinks to one third of its size without loosing any mass.the value of g on the surface would become (1)g/3 (2)g/9 (3)(cuberoot of 9)g (4)g
Asked by Sunita
31st March 2018
8:33 AM
Answered by Expert
ICSE IX Physics Laws of Motion
when a leaf and a cricket ball is dropped at the same time from the same height, why does the ball reach the ground first even though acceleration due to gravity is same? it is said that for anybody, irrespective of its mass has the same acceleration due to gravity
Asked by airadsouza3
17th May 2018
10:11 PM
Answered by Expert
CBSE XII Science Physics
sir please answer
Asked by minipkda
22nd May 2018
4:51 AM
Answered by Expert
CBSE XII Science Physics
Sir, how should we apply the energy conservation in case of taking a satellite to a height or moving a satellite from one orbit to another ?
Asked by minipkda
22nd May 2018
6:31 PM
Answered by Expert
NEET1 NEET1 Physics
A system of binary stars of masses M1 and M2 are moving in circular orbits of radii R1 and R2 respectively. If T1 and T2 are the same time periods of masses M1 and M2 respectively then: (a) T1/T2=(R1/R2)^1/2 (b)T1>T2 (if R1>R2) (c) T1>T2 (if M1>M2) (d)T1=T2
Asked by nasir.mirza
12th June 2018
9:10 PM
Answered by Expert
NEET1 NEET1 Physics
A projectile is fired vertically upward from the surface of earth with a velocity of kvE, where vE is the escape velocity and k<1. Neglecting air resistance, the maximum height to which it will rise, measured from the centre of earth is (R = radius of earth) (a) R/1-k^2 (b) R/k^2 (c) 1-k^2/R (d) k^2/R
Asked by nasir.mirza
13th June 2018
7:11 PM
Answered by Expert
NEET1 NEET1 Physics
A satellite is in a circular orbit very close to the surface of the planet. At some point it is given an impulse in its direction of motion, causing its velocity to increase 'n' times. It now goes into an elliptical orbit, with the planet at the centre of the ellipse. The maximum possible value of 'n' for this to occur is (a) 2 (b) root of 2 (c) root of 2 + 1 (d) 1/ root of 2 -1
Asked by nasir.mirza
13th June 2018
7:50 PM
Answered by Expert
NEET1 NEET1 Physics
a satellite is revolving in a orbit close to surface of earth with kinetic energy K. When the kinetic energy is increased to nK, the satellite escapes. What is the minimum value of n?
Asked by lakshmananjao
23rd June 2018
8:52 PM
Answered by Expert
CBSE IX Physics
given reason gravity increases if earth stops to rotates
Asked by haroonrashidgkp
18th August 2018
10:20 PM
Answered by Expert
CBSE IX Physics Gravitation
a ball is thrown upwards with an initial velocity of .5m/sec how much time it will take to reach the highest point
Asked by apurvastha
23rd September 2018
9:17 PM
Answered by Expert
CBSE XI Science Physics
Q. Derive an expression of work done in making a body of mass 'm' free from earth's gravitational field. Using the result, obtain an expression of escape velocity. Also show escape velocity depends only on the density of the planet of a given size.
Asked by neerajprataphazarika
24th September 2018
10:50 PM
Answered by Expert
ICSE XI Science Physics
35th ques plz
Asked by lovemaan5500
25th September 2018
6:59 PM
Answered by Expert
NEET1 NEET1 Physics
There are two bodies of mass 100kg and 10000kg separated by a distance 1m.At what distance from the smaller body is,the intensity of gravitational field will be zero.
Asked by mritunjaydebnath448
3rd November 2018
11:23 AM
Answered by Expert
CBSE IX Science
How can we create a gravity
Asked by tluser7
4th November 2018
6:09 PM
Answered by Expert
Maharashtra X Physics
How is value of G defined
Asked by balasahebkthorat007
1st December 2018
6:10 AM
Answered by Expert
ICSE X
what is the value of gravitatonal constant?
Asked by Avishkarchoudhari1616
31st December 2018
2:35 PM
Answered by Expert
CBSE XI Science Physics
Please answer tis question.
Asked by dineshchem108
1st March 2019
10:29 PM
Answered by Expert
Maharashtra X Chemistry
Explain why the value of g is zero at the center of earth
Asked by Vishwaspatil9386
14th March 2019
9:06 AM
Answered by Expert
ICSE X Physics Laws of Motion
What is the difference between mass and weight of an object.will the mass and weight of an object on the earth be same as their values on Mars?why?
Asked by miteshpawar13
12th May 2019
3:55 PM
Answered by Expert
CBSE XII Science Physics
Hi tick the correct answer. Only one can be correct.
Asked by jain.pradeep
31st May 2019
1:37 PM
Answered by Expert
JEE Main Physics
a solid sphere of uniform density and radius of 4m is located having centre at origin of co ordinate system. two small spheres, each of radius 1m and centres at A(2m,0,0) and B(-2m,0,0) are taken out from solid sphere. mass of remaining body is (186/23) kg. find potential at centre of sphere.?
Asked by NSSORATHIYA sorathiya
23rd June 2019
10:17 AM
Answered by Expert
CBSE IX Physics
Plz can anyone explain me gravitation
Asked by sbhangade096
11th August 2019
9:44 PM
Answered by Expert
ICSE IX Physics
The gravitational force of attraction between the moon(mass=7.36×10^22 kg) and the earth(5.96×10^24 kg) , taking the distance between the moon and the earth as 3.8×10^8 m, is ? *Pls show the working of the numerical. Even the cancellations.*
Asked by nethra.v2005
12th August 2019
12:51 PM
Answered by Expert
CBSE IX Physics Gravitation
Determine the value and unit of universal gravitational constant
Asked by shindeanand492
6th September 2019
12:56 PM
Answered by Expert
ICSE VI Physics Force and Pressure
Choose odd one out: rocket, racing car, boat, ricksaw
Asked by arghasinha76
7th September 2019
11:42 AM
Answered by Expert
ICSE IX Physics Laws of Motion
How do we solve complex problems related to the gravitational force, for example.. Calculate the gravitational force of attraction between the earth and moon when the mass of earth and given. I know the formula can be applied but how do we solve further because the calculations get quite complex and I personally, waste a lot of time myself for solving such sums in my exam paper. Urgent, pls reply fast.
Asked by nethra.v2005
13th September 2019
11:20 PM
Answered by Expert
CBSE X Physics
Q)A body falls through a distance d in a certain time on earth . Then if the same body is related on another planet having mass and radius twice as that of earth , the distance through which it falls in the same time is ?(considering acceleration due to gravity to be constant over small altitude) A)d/2 B)2d C)4d D)d
Asked by shangamer2227
10th October 2019
7:30 PM
Answered by Expert
CBSE IX Physics Gravitation
A ball is thrown vertically upwards and rises to a height of 126.5 m. Calculate the (i) velocity by which the ball was thrown upwards and (ii) the time taken by the ball to reach the highest point. (Given is g = 9.8 ms–²) At Least 100 to 150 words
Asked by Aryungupta.espn
30th December 2019
3:34 PM
Answered by Expert
JEE Main Physics
find kinetic energy of rocket
Asked by ashutosharnold1998
21st January 2020
12:47 AM
Answered by Expert
CBSE IX Physics Gravitation
if distance between the two masses is increased by factor of 3 then what will be the force of gravity between them be?
Asked by rusuishika
25th January 2020
2:30 PM
Answered by Expert
CBSE IX Physics Gravitation
What is the gravitational force at the core of the earth. What is the value of that force which is applied by the earth on any object at the earth's core?
Asked by birajkantipalitgopal1101965
6th April 2020
12:40 PM
Answered by Expert
CBSE XI Science Physics
pls solve
Asked by mufeedatvp2000
19th April 2020
12:37 PM
Answered by Expert
CBSE XI Science Physics Gravitation
please solve it sir
Asked by satishkashyap02022004
29th April 2020
3:07 PM
Answered by Expert
CBSE IX Physics Gravitation
what is gravity?
Asked by suman27082000
4th June 2020
11:38 PM
Answered by Expert
ICSE VIII Physics
Is the gravity a property of earth only?
Asked by gauravyadav99.8spicertl
14th July 2020
10:44 AM
Answered by Expert
ICSE IX Physics Laws of Motion
Define universal gravitational constant , hence state its value of its SI unit
Asked by harshchaudhary8822.9sdatl
25th September 2020
5:28 PM
Answered by Expert
ICSE IX Physics Laws of Motion
State Newton's law of gravitation.
Asked by harshchaudhary8822.9sdatl
25th September 2020
7:49 PM
Answered by Expert
ICSE IX Physics Laws of Motion
Define universal gravitational constant , hence state its value of its SI unit
Asked by harshchaudhary8822.9sdatl
25th September 2020
7:55 PM
Answered by Expert
CBSE IX Physics Gravitation
Can you think of two particles which do not exert gravitational force on each other
Asked by hasinichelle
26th September 2020
12:43 PM
Answered by Expert
CBSE VII Science Motion and Time
Please solve both my doubts about maths and physics.
Asked by janane.s1984
27th September 2020
7:50 PM
Answered by Expert
CBSE IX Physics Gravitation
WHAT IS ANTI GRAVITY ?
Asked by pratheekpreddy
7th October 2020
4:58 PM
Answered by Expert
CBSE IX Physics Gravitation
What is gravitation?????????
Asked by paramveersinghpanesar89
13th October 2020
10:57 AM
Answered by Expert
CBSE IX Physics
Why the value of "g" decreases when we go above the earth's Surface?????
Asked by anandrajanandkumar201
22nd October 2020
10:33 PM
Answered by Expert
CBSE IX Physics Gravitation
Derive an expression for "g".
Asked by gaayush2007
29th October 2020
9:37 AM
Answered by Expert
CBSE IX Physics Gravitation
Find the gravitational force between two protons kept at a separation of 1 femtometre (1 femtometre=10 −15 m). The mass of a protons is 1.67×10 −27 kg
Asked by aadyajha459
25th May 2021
11:55 AM
Answered by Expert
CBSE IX Physics Gravitation
When an object falls freely to the ground its acceleration is inform
Asked by samreenshaikh871
29th May 2021
3:03 PM
Answered by Expert
CBSE XI Science Physics Gravitation
A planet moves around the earth in nearly circular orbit. Its period of revolution ‘T’ depends upon: (i) radius ‘r’ of the earth (ii) mass ‘m’ of the sun (iii) the gravitational constant ‘G’. Show dimensionally that T2 DIRECTLY PROPORTIONAL TO r3
Asked by akshat.anamika
1st June 2021
9:44 AM
Answered by Expert
ICSE IX Physics Work, Energy and Power
show the total energy remains constant in gravitational field
Asked by rakhinaskar04
11th August 2021
11:53 AM
Answered by Expert
CBSE IX Physics Gravitation
what is gravitation
Asked by unickgaming5
27th August 2021
7:51 PM
Answered by Expert
CBSE IX Physics Gravitation
what is gravitation
Asked by kalpanatiwaritiwari7030
22nd December 2021
7:35 PM
Answered by Expert
CBSE IX Physics Gravitation
my doubt is the value of G is 60673multiply10-11power but why we use some no in some different numericals like use of 6.6, some times 6.7 why please ans this ques now 🙏
Asked by mannatjohn920
15th February 2022
9:57 AM
Answered by Expert
CBSE IX Science
difference between G , g
Asked by ramachandrashetti1997
19th March 2022
7:38 AM
Answered by Expert
JEE Main Physics Gravitation
gravitation
Asked by bathularohith19
27th March 2022
3:05 PM
Answered by Expert
JEE Main Physics Gravitation
Sir,The gravitational due to a uniform disc at a point in its axis is 2GMr/R²((1/r)-(1/√(r²+R²))).Andthe potential at a point in the axis is -2GM/R²(√(R²+r²)-r) where R-radius and r-distance in the axis. Also,We know that on differentiating gravitational potential we get the gravitational field at that point.But that is not the case for disc.On integrating the potential we are not getting the value of the field.Why is it so? Please help
Asked by das.atom1966
16th May 2022
5:34 PM
Answered by Expert
CBSE IX Physics Gravitation
what is Newton's contribution on gravitation?
Asked by munendramishra478
12th July 2022
8:42 PM
Answered by Expert
CBSE IX Physics Gravitation
what is the weight of an object at the centre of the earth
Asked by advscjaglan
9th August 2022
8:22 PM
Answered by Expert
CBSE XI Science Physics Gravitation
Please give answer
Asked by ankurgoyal616
27th September 2022
3:07 PM
Answered by Expert
JEE Main Physics Gravitation
i just want to know why a ball falls on earth when left from a height becuse the gravitional forces of both of them is equal and opposite hence the ball must tend to be at rest in the air .I have already consulted few lecturers but their answer were complicated and tough to understand so i want to get a simpler answer so that i acn understand it in a proper way
Asked by geethamehs08
15th October 2022
5:54 PM
Answered by Expert
CBSE XI Science Physics Gravitation
Mention the method of determining the mass of planets star etc
Asked by rajkumaeghogre975
10th January 2023
7:36 PM
Answered by Expert
