Question

an block of 5 kg is pulled on a horizontal surface at 20m having 0.2 coefficent of friction, find work done on block by the body.

Answer 1

M = 5kg
U = 0.2
D = 20m
W =?

W = F*d*u

F = mg = 5*10 = 50

Now putting values

= 50*20*0.2

= 200J


Thanks