Question

You push against the rock with a force of F = 100N for t = 20 seconds. If the rock does not move d = 0, how much work have you done, Wk?

SOLUTION: Wk = F d cos 0

Answer 1

Given:

$F=100\:\rm N$

$d=0\:\rm m$

The work done

$$W=Fd=100*0=0\:\rm J$$