A body of mass 10kg is on a rough inclined plane having an inclination of 30^(@) with the horizontal. If coefficient of friction between the surfaces of contact of the body and the plane is 0.5. The least force required to pull the body up the plane is

A body of mass 10kg is on a rough inclined plane having an inclination

1.	A body of mass 10kg is on a rough inclined plane having an inclination of 30^(@) with the horizontal. If coefficient of friction between the surfaces of contact of the body and the plane is 0.5. The least force required to pull the body up the plane is
Answer» 80.5 N 91.4N 85.4 N 78.4 N ANSWER :B