An 8 kg block ,P is being pulled by constant force F up a rough inclined plane at an angle of 30 degrees to the horizontal, at constant speed. force F is parallel to the inclined plane. . draw a labelled free body diagram for block P. the kinetic frictional force between the block and the surface of the plane is 20,37N .calculate the magnitude of force F? . force F is now removed and the block accelerates down the plane. the kinetic fictional force remains 20,37N. calculate the magnitude of acceleration of the block ?​