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
- 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.
- 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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