A machine raised a load of 360 N through a distance of 200 mm. The effort, a force of 60 N moved 1.8 m during the process. Calculate effect of friction.

A machine raised a load of 360 N through a distance of 200 mm. The ef

1.	A machine raised a load of 360 N through a distance of 200 mm. The effort, a force of 60 N moved 1.8 m during the process. Calculate effect of friction.
A.	10 N
B.	20 N
C.	30 N
D.	40 N
Answer» C. 30 N