Physics Practice: Work, Power and Energy (Mock Test 1 - Basic)
1. The S.I. unit of Work is:
2. Work done is defined as the product of Force and:
3. Power is defined as the:
4. Which of the following is a unit of Power?
5. Energy possessed by a body due to its position or configuration is called:
6. The C.G.S. unit of work is:
7. $1 \text{ Joule}$ is equal to ________ ergs.
8. When a body falls freely towards the earth, its total mechanical energy:
9. $1 \text{ kWh}$ is the unit of:
10. The energy possessed by a flying bird is:
11. If the velocity of a body is doubled, its Kinetic Energy becomes:
12. A boy carrying a heavy bag on his head stands at a bus stop. The work done by him is:
13. In a battery, energy is stored in the form of:
14. Which of these is a non-renewable source of energy?
15. The energy conversion in an electric motor is:
16. The gravitational potential energy ($U$) of a body of mass $m$ at height $h$ is:
17. $1 \text{ Horse Power (hp)}$ is equal to:
18. Kinetic Energy is always ________ for a moving body.
19. Work done by the force of friction is usually:
20. Which of the following is NOT a scalar quantity?
