Answer to Question #37188 in Mechanics | Relativity for maryam

Question

A 416 N force is pulling an 87.2-kg refrigerator across a horizontal surface. The force acts at an angle of 22.0 ° above the surface. The coefficient of kinetic friction is 0.197, and the refrigerator moves a distance of 8.72 m. Find (a) the work done by the pulling force, and (b) the work done by the kinetic frictional force.