 ## The energy gained by an object due to change in its shape is….

The energy gained by an object due to change in its shape is

## A boy weighing 50 kg is to climb a vertical height of 10 m. Calculate the work done by him. (g = 9.8….

A boy weighing 50 kg is to climb a vertical height of 10 m. Calculate the work done by him. (g = 9.8 m/s2)

## If two bodies A and B with masses m1 and m2, respectively, have the same kinetic energy, t….

If two bodies A and B with masses m1 and m2, respectively, have the same kinetic energy, then the ratio of momenta P1 : P2 from A to B is

## The kinetic energy of an object of mass ‘m’ moving with a velocity of 5 ms–1 is 25 J. What wil….

The kinetic energy of an object of mass ‘m’ moving with a velocity of 5 ms–1 is 25 J. What will be its kinetic energy when its velocity is doubled?

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## Two bodies have their masses in the ratio 3 : 4. If they have equal velocities, then their kinetic e….

Two bodies have their masses in the ratio 3 : 4. If they have equal velocities, then their kinetic energies will be in the ratio

## A man carrying a bucket of water is walking on a level road with a uniform velocity. The height of t….

A man carrying a bucket of water is walking on a level road with a uniform velocity. The height of the bucket from the road is constant throughout. Which of the following statements is TRUE regarding the situation given above?

## What will be the work done by 1 kg mass of water when it falls from a height of 20 m? (Take g = 9.8 ….

What will be the work done by 1 kg mass of water when it falls from a height of 20 m? (Take g = 9.8 ms–2)

## If the applied force and displacement are _________, then the work done is said to be negative…..

If the applied force and displacement are _________, then the work done is said to be negative.

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