Question

28. In an
poter
13. What is the relationship between power, force and
velocity?
14. Seema tried to push a heavy rock of 100 kg for 2005
but could not move it. Find the work done by Seema
at the end of 200s.
(C.B.S.E. 2011)
15. At what speed of a body of mass 1 kg will have a
kinetic energy of 1J?
(C.B.S.E. 2011)
16. Identify energy possessed by (i) rolling stone (ii)
running athelete.
(C.B.S.E. 2011)
17. How much work is done by a weight lifter when
he holds a weight of 80 kg on his shoulders for two
minutes ?
(C.B.S.E. 2011)
18. A force of 10N moves a body with a constant speed of
2 ms- Calculate the power of the body?
29. Name
poteni
30. Write
place
31. If the
powe
32. State
in in
33. At
buit
34. Giv
due
(C.B.S.E. 2011)
19. A car and a truck are moving with the same velocity
of 60 kmh-1. Which one has more kinetic energy?
(Mass of truck> Mass of car) (C.B.S.E. 2011)​

Answer 1

Answer:

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