Question

6) Energy of a raised hammer is ________ [ ]
A) potential
B) kinetic
C) mechanical
D) magnetic

7) Mechanical energy - [ ]
A) PF + KE
B) PE / KE
C) KE / PE
D) PE _ KE

8) Work (w) = [ ]
A) F/s
B) F x s
C) S/F
D) None

9) ______ enery is used bu plants for preparing their food [ ]
A) Potential
B) Kinetic
C) Mechanical
D) Solar

10) The capacity to do work is called [ ]
A) Power
B) work
C) energy
D) force

11) Energy of running water is ______ [ ]
A) P.E
B) K.E
C) Mechanical
D) None

12) Work done is measure by [ ]
A) force x tune
B) mass x accleration
C) distance x force
D) mass x velocity

13) Joule is the unit of [ ]
A) momentum
B) Work
C) Power
D) force

14) Newton – meter is the unit of [ ]
A) Power
B) Work
C) momentum
D) displacement

15) The measure of speed of the work done is [ ]
A) Power
B) energy
C) work
D) time

16) The unit of power is [ ]
A) Fry
B) Jaule / sec
C) Watt
D) Both B & C

17) The water stood in overhead tanks posses ___ energy [ ]
A) Mechanical
B) Kinetic
C) Potential
D) Chemical

18) PE = ___________ [ ]
A) 2 1 mv 2
B) 2 1 mv
C) mgh
D) mg / h

19) 1 N-m is equal to [ ]
A) Erg
B) Newton
C) Poscal
D) Joule

20) The kinetic energy of an object depends upon [ ]
A) mass
B) speed
C) gravitation
D) None

21) Rate of doing work (or) rate of transfer of energy [ ]
A) Power
B) Energy
C) work
D) time​

Answer 1

Answer:

6. potential

7. KE + PE

8. F × S

9. solar

10. energy

11. potential

12. distance × force

13. work

14. work

15. power

16. watt

17. potential

18. mgh

19. joule

20. power

Hope it helps :)