1. When a body falls freely towards the earth, then its total energy

2. A car is accelerated on a levelled road and attains a velocity 4 times of its initial velocity. In this process the potential energy of the car

3. In case of negative work the angle between the force and displacement is (NCERT Exemplar)

4. An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass is 3. 5 kg. Both spheres are dropped simultaneously from a tower. When they are lo m above the ground, they have the same.

5. A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. The work done against the gravitational force will be (g = 10 ms²)

6. Which one of the following is not the unit of energy?

7. The work done on an object does not depend upon the

8. Water stored in a dam possesses

9. A body is falling from a height h. After it has fallen a height \(\frac{h}{2}\), it will possess

10. The number of joules contained in 1 kWh is