Seema tried to push a heavy rock of 100 kg for 200 s but could not move it

cbse
workandenergy

#1

Seema tried to push a heavy rock of 100 kg for 200 s but could not move it. Find the work done by Seema at the end of 200 s.


#2

Work done by Seema in pushing a rock for 200 s is zero. Because there is no displacement in this case, i.e.
W = F x s = 0