ICSE X Physics Machines
plz explain this to me
plz explain this to me
Asked by lovemaan5500
19th November 2017
6:18 PM
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ICSE X Physics
What is mechanical advantage?
Asked by puspitabiswas45
12th January 2018
9:35 PM
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ICSE X Physics
What is the power of a machinethat can lift a load of 750N through 15m in 5 sec? What must have been the effort applied? Obtain the M.A. and V.R. of this machine. Assume the machine to be an ideal one and take the distance moved by the effort as 45m.
Asked by bdroy_2014
25th January 2018
1:16 PM
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ICSE X Physics
What will be the utility of a machine when its mechanical advantage is less than 1 is equal to 1
Asked by lovemaan5500
13th March 2018
7:31 AM
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ICSE X Physics
Explain why scissors for cutting cloth may have blades longer than the handles but shears for cutting metals have short blades and long handles
Asked by lovemaan5500
13th March 2018
2:05 PM
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ICSE X Physics
A load of 75 kgf is raised with a Pulley system with an effort of 25 kgf what is the mechanical advantage, velocity ratio,efficiency of the system
Asked by Samrat
30th June 2018
8:51 PM
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CBSE X Physics
Calculate the mechanical advantage of a Lever which has an effort arm of 60 cm and a load arm of 4 cm what is the Velocity ratio of lever
Asked by Samrat
30th June 2018
8:53 PM
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ICSE X Physics
An effort of 50 Newton applied at one end of a Lever raises a load of 1000 Newton at the other end a.what is the mechanical advantage of the lever b.what is the velocity ratio c.load by 1 cm how far must the effort move
Asked by Samrat
30th June 2018
9:04 PM
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ICSE X Physics
A man loses a 2.5 M long crowbar to raise a 100 kg mass such that load arm is 0.5 CM the distance moved by the effort is 0.1 M find a.effort needed to lift a load B. Mechanical advantage of crowbar c.the work done by the effort d.distance the load is raised e.the work done on the Load f. the efficiency of the crowbar
Asked by Samrat
30th June 2018
9:10 PM
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ICSE X Physics
Block and tackle has four pulleys draw diagram of pulley system a man exerts a pull of 240 Newton to lift a load of 720 N calculate mechanical advantage velocity ratio and efficiency
Asked by Samrat
30th June 2018
11:15 PM
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ICSE X Physics
A Pulley system lifts a load of 1200 Newton by an effort of 250 Newton if the load due to movable part of machine is 300 N find the mechanical advantage , ideal ,velocity ratio ,number of pulleys and efficiency
Asked by Samrat
30th June 2018
11:23 PM
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ICSE X Physics
An effort of 15 Newton applied at one end of lever raises a load of 1000 N at the other end what is M.A,V.R ,to raise load by 1 cm how far must the effort move
Asked by Samrat
30th June 2018
11:28 PM
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ICSE VI Physics
FIND THE NUMERICAL THE BLADES OF A PAIR OF SCISSORS ARE 20 CM LONG, WHILE ITS HANDLES ARE 10 CM LONG. FIND ITS MECHANICAL ADVANTAGE.
Asked by rajinder.rs758
27th August 2018
8:14 PM
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ICSE X Physics
a movable pulley system has a M.A. of 32. how many pulleys are there
Asked by bharadwajlucky26
12th September 2018
6:30 PM
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ICSE X Physics Machines
Between pliers and scissors, which one has mechnaical advantsge less than one?
Asked by jaiswalsindhuli717
23rd September 2018
3:49 PM
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ICSE VI Physics Simple Machines
Numerical:- The blade of a pair of scissors are 2 cm long,while its handles are 10 cm long . Find its mechanicals advantage.
Asked by rajinder.rs758
27th September 2018
5:49 PM
Answered by Expert
ICSE X Physics Force
ICSEX | PHYSICSMOST IMPORTANT QUESTIONSwww.topperlearning.com43.A coolie is pushing a box weighing 1500 N up an inclined plane 7.5 m long on to a platform 2.5 m above the ground.[3 M](i)Calculate the mechanical advantage of the inclined plane.(ii)Calculate the effort applied by the coolie.(iii)In actual practice, the coolie needs to apply more effort than what is calculated. Give one reason why you think the coolie needs to apply more effort
Asked by pest34
20th December 2018
12:01 PM
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ICSE X Physics Laws of Motion
A fire tongs of length 28 cm to lift a piece of burning coal of mass 250 g. he applied his effort at a distance of 7 cm from the fulcrum. what is the effort in si unit ? g= 10ms-1
Asked by nareshschugh
29th December 2018
12:02 PM
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ICSE X Physics Machines
When it is possible to have mechanical advantage greater than velocity ratio?
Asked by amarmahato4028
10th January 2019
1:30 PM
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ICSE X Physics
A coolie is pushing a box weighing 1500N up an inclined plane 7.5 m long to a platform 2.5m above ground. (i)Calculate the mechanical advantage of the inclined plane (ii)Calculate the effort applied by the coolie
Asked by joshi.krish888
10th January 2019
5:02 PM
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ICSE X Physics Machines
Design a pulley with M.A. 5 and V.R. 4 AND IT IS POSSIBLE TO MAKE THIS KIND OF PULLEY SYSTEM.BUT I DON'T KNOW HOW TO??
Asked by malapandey8278
9th February 2019
7:11 AM
Answer Verified by Expert
ICSE X Physics Machines
A resistance of 1400N is being overcome by a simple machine of VR 7 and efficiency of 90% . Find the :- a) mechanical advantage b) effort required to overcome the resistance
Asked by aaditya120105
14th February 2019
7:15 PM
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ICSE X Physics Machines
A resistance of 1400N is being overcome by a simple machine of VR 7 and efficiency of 90% . Find the :- a) mechanical advantage b) effort required to overcome the resistance
Asked by aaditya120105
14th February 2019
7:16 PM
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ICSE X Physics
Give an expression for mechanical advantage of an inclined plane in terms of the length of an inclined plane.
Asked by Mail.nehasharmaa
19th February 2019
10:16 AM
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ICSE X Physics Machines
A coolie is pushing a box weighing 1500 N up an inclined plane 7.5 m long on to a platform 2.5 m above the ground. Calculate the mechanical advantage of the inclined plane
Asked by Farheen1447
3rd March 2019
5:55 PM
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ICSE X Physics Machines
A pully system with V.R. = 4 is used to lift a load of 175 kgf through a vertical height of 15m. The effort required is 50 kgf in the downword direction.(g= 10N/kg) Calculate: (1) Distance moved by the effort. (2) work done by the effort. (3) M.A. of the pully system. (4) efficiancy of the pully.
Asked by Sanyajbp
4th March 2019
5:11 PM
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ICSE X Physics
Why velocity ratio is defined as velocity of effort by Velocity of load and not velocity of load by velocity of effort.What is the reason behind it?
Asked by Anshu
9th June 2019
1:02 AM
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ICSE X Physics
an effort of 500N is applied through 0.50m on a machine,whose efficiency is 90%,such that resistance is overcome through 0.04m. calculate the 1)velocity ratio 2)mechanical advantage
Asked by pradipdhole
9th June 2019
10:43 PM
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ICSE X Physics
Rahul applies a force of 6 kgf to lift a 4 kg bucket from a well using a single fixed pulley. Assuming the additional force applied to be to overcome frictional force. Find the (1) frictional force (2) mechanical advantage (3) efficiency of the system.
Asked by cbiswajit
20th September 2019
10:56 PM
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ICSE VI Physics Simple Machines
The handle of a water pump is 90 cm long from its piston rod. If the pivot handle is at a distance of 15 cm from the piston rod, calculate (a) least effort required at its other end to overcome a resistance of 60 kgf and (b) mechanical advantage of handle.
Asked by ploganathan9
18th December 2019
7:45 PM
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ICSE VI Physics Energy: Simple Machines
The MA of a simple machine is 1. How much effort is needed to lift a load of 100 N using it?
Asked by Pp998706
8th February 2020
5:40 PM
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ICSE X Physics
in a seesaw, is mechanical advantage and velocity ratio equal to one? gie reasons.
Asked by saibaba1069
26th April 2020
8:05 PM
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ICSE X Physics Machines
why velocity ratio is not affected by friction?
Asked by saibaba1069
27th April 2020
6:49 PM
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ICSE VI Physics Energy: Simple Machines
what is ma
Asked by swamigitesh9531.6sdatl
10th May 2020
10:42 AM
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ICSE X Physics Machines
exercise 3a numerical 6
Asked by nilesh.dhote74
15th May 2020
3:34 PM
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ICSE VI Physics Simple Machines
The length of a lever of class I is 400 cm. Calculate the mechanical advantage of the lever if it's fulcrum is located at a distance of 200cm from the effort. *
Asked by ananyagupta14jun2009
1st December 2020
8:11 AM
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ICSE VI Physics Simple Machines
If load is less than effort than its formula
Asked by ritik16101
27th January 2021
11:42 AM
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ICSE X Physics Machines
Please tell me this question
Asked by jatinsharma2435
29th March 2021
2:31 PM
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ICSE X Physics Machines
In block and tackle system, why the mechanical advantage and the velocity ratio of the pulley system is equal to the number of pulleys that are present in the particular pulley system?
Asked by prasunpal552
13th August 2021
9:34 PM
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ICSE X Physics Machines
what is MA
Asked by harendrapratapsingh8858
25th November 2021
4:48 PM
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ICSE VI Physics Energy: Simple Machines
the plates of a pair of scissor are 20 cm long and its hand Lar 10 cm long find its mechanical advantage.
Asked by bagesh.sharma0120
27th May 2023
4:58 PM
Answered by Expert
