5. Construct free-body diagrams for the various situations described below: a)An egg is free-falling from a nest in a tree. Neglect air resistance. Diagram the forces acting on the egg as it is falling. b)A flying squirrel is gliding (no wing flaps) from a tree to the ground at constant velocity. c)A rightward force is applied to a book in order to move it across a desk with a rightward acceleration. d)A 45° right-down-ward force is applied to a book in order to move it across a desk with a constant speed.