A block of wood of mass0.5 kg is placed on plane making angle 30^(@) with the horizontal. If the coefficient of friction between the surface of the body and the plane is 0.2, the force required to keep the body sliding down with uniform velocity is

A block of wood of mass0.5 kg is placed on plane making angle 30^(@) w

1.	A block of wood of mass0.5 kg is placed on plane making angle 30^(@) with the horizontal. If the coefficient of friction between the surface of the body and the plane is 0.2, the force required to keep the body sliding down with uniform velocity is
Answer» 6.4 N 1.6 N 3.2 N 4.8 N ANSWER :B