The baseball forces the bat to the left; the bat forces the ball to the right. Together, these two forces exerted upon two different objects form the action-reaction force pair. Note that in the description of the two forces, the nouns in the sentence describing the forces simply switch places. 1. Consider the following three examples. One of the forces in the mutual interaction is described; describe the other force in the action-reaction force pair. First Force Second Force The force of the ball impact on the player Baseball pushes glove leftwards. Bowling ball pushes pin leftwards. Enclosed air particles push balloon wall outwards. 2. Identify at least six pairs of action-reaction force pairs in the following diagram.

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: