1. Make a free-body diagram for the following cases (Show all the forces acting on the body shown bold) (a) A person drags her 72 N suitcase along the rough horizontal floor by pulling upward at 35° above the horizontal with a 50 N force. (b) A person throws a ball upward. When the ball is in the person's hand before throw, when the ball is at maximum height and when the ball is traveling downward
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