Priyanka B Solutions for Chapter: Work and Energy, Exercise 8: Multiple Choice Questions (MCQs)

Two objects of mass $10 \mathrm{kg}$ and $2 \mathrm{kg}$ are dropped simultaneously from a tower. When they are $5 \mathrm{m}$ above the ground, they have the same:

On a leveled road, the velocity of a car is increased two times. In this process potential energy of the car:

The mass of an object is increased $4$ times, to keep the kinetic energy same, its velocity should be:

Which of the following is not the unit of energy?

The work done on an object does not depend on:

A boy is carrying a school bag of mass $2 \mathrm{kg}$ on his back and move $500 \mathrm{m}$ on a leveled road. The work done against the gravitational force will be ( $g=10 {\mathrm{ms}}^{-2}$):

A body is falling from a height $h$. When it has fallen a height $\frac{\mathit{h}}{\mathit{2}}$, it will have _____.

A light and a heavy object have the same momentum, kinetic energy of: