Answers

2016-03-08T16:49:51+05:30
mass = 100 g = 0.1 kg
height = 10 m
acceleration = 10 m/s ²
(a) work done = force * displacement = mgh = 0.1 * 10 * 10 = 10 J

now,

(b) P.E = mgh = 0.1 * 10 * 10 = 10 J

i hope it helps............. 
1 4 1
2016-03-08T16:51:46+05:30
Work done = mgh
wd= 100*10*10
work done = 10000
0