CHAPTER-11 WORK AND ENERGY (SET-2)

Questions in this test

1. In SI system, the unit of P.E is
2. In the SI system, the unit of potential energy is
3. Two bodies of equal weight are kept at height of h & 1.5 A, respectively. The ratio of their Potential Energy is
4. A stone weighing 1 kg is dropped from rest from a height of 4m above the ground. When it has free fallen 1m its total energy with respect to the ground is _____.
5. The energy possessed by an oscillating pendulum of a clock is _____.
6. What is the commercial unit of energy?
7. Calculate the work done in moving body of mass 50 kg through a height of 5 m $(g= 10m/s^2)$
8. Find the correct statement.
9. If a Force of F Newton moves a body with constant speed v, the power delivered by it is
10. According to the law of conservation of energy