Question: please help! Identify each force as a contact force or an action-at-a-distance force. Each answer may be used more than once. Friction between two engine

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please help! Identify each force as a contact force or an action-at-a-distance

Identify each force as a contact force or an action-at-a-distance force. Each answer may be used more than once. Friction between two engine parts creates a squeaking noise. Choose. Electromagnetic force causes two magnets to snap together. Choose. Weak nuclear forces cause protons and neutrons to transform into other particles. Choose. A child pulls on a rope, exerting tension on the rope. Choose. The normal force exerted by a table pushes back against a book that is lying on the table. Choose. Gravity causes a pear falling from a tree to hit the ground. Choose. Strong nuclear forces make protons stay close together. Choose

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