Question

A body of mass 100 kg is lifted up by 10 m. Find :

(i) the amount of work done.

(ii) potential energy of the body at that height (value of g = 10 $m/s^2$)

Answer 1

Given,

Mass m = 100 kg

Height h = 10 m

g = 10 m/s²

i) Work done = mgh

= 100 x10 x10

= 10000 J Ans.

ii) Potential energy = Work done

= 10000 J Ans.