It must be remembered that action and reaction always act on different objects. The Third Law of Motion indicates that when one object exerts a force on another object, the second object instantaneously exerts a force back on the first object. ... The force exerted by the second body on the first body is called reaction.
Newton's Third law of Motion (Theory) : Class 9 : Physics
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Explanation:
It must be remembered that action and reaction always act on different objects. The Third Law of Motion indicates that when one object exerts a force on another object, the second object instantaneously exerts a force back on the first object. ... The force exerted by the second body on the first body is called reaction.
Newton's Third law of Motion (Theory) : Class 9 : Physics