What is Newton’s Third Law of Physics

Newton’s Third Law of Physics

 

Newton’s Third Law

For every action there is an equal and opposite reaction.

 

Explanation:

 

According to Newton’s Law of Motion, we have:

 

F (Action) = – F (Reaction

 

 

The negative (-) sign indicates that the two forces are parallel but in the opposite direction. If we consider one of the interacting objects as A and the other as B, Then a.

 

According to the Third Law of Motion:

 

F(AB) = -F(BA) E

 

F (A B) represents the force exerted on A and F (BA) is the force exerted on B.

 

Examples

 

  1. When we walk on the ground, we push the ground backward and as a reaction the ground pushes us forward. Due to this reason we are able to move on the ground.

 

  1. If a book is placed on the table, it exerts some force on the table, which is equal to the weight of the book. The table as a reaction pushes the book upward. This is the reason that the book is stationary on the table and it does not fall down.

 

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