Question 2: For each of the following, draw a free body diagram that includes all of the forces acting on the object described.
A 40 kg box on a level floor is pulled by a rope attached to the box. The rope makes an angle of 21° with the horizontal. A force of friction opposes the motion.
A refrigerator sits on a level floor and a person tries to push on it with a force parallel to the floor. The refrigerator does not move.