Reaction (physics)

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Reaction (physics)

In Classical Physics , a reaction is defined by Newton's Third Law that can be formulated like

''Whenever one body exerts force upon a second body, the second body exerts an equal and opposite force upon the first body'' or also

''For every action there is an equal and opposite reaction''. These two forces are exerted on ''different'' bodies.

The idea that any given force has a pair or opposite force.