A body of mass 25 kg is at rest on a horizontal surface. Minimum horizontal force required to just start the motion is 73.5 N and a force of 49 N is needed to keep the body moving with a constant velocity. What is the coefficient of static friction?

A body of mass 25 kg is at rest on a horizontal surface. Minimum horiz

1.	A body of mass 25 kg is at rest on a horizontal surface. Minimum horizontal force required to just start the motion is 73.5 N and a force of 49 N is needed to keep the body moving with a constant velocity. What is the coefficient of static friction?
Answer» `0.2` `0.3` `0.4` `0.5` ANSWER :B