Question

3. A body of 100 kg is lifted by 10 m. Find (i) work done, (ii) potential energy of the body at
be 9800J? (8
11/5)
20 m
[Ans. (i) 10^J (4) 1043)
that height. (g = 10 m/s2)​

Answer 1

Explanation:

i. w = m.g.h = 100*10*10 = 10000J

ii. P.E = 9800J