Question

what is newton's third law of motion
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Answer 1

Newton’s Third Law of Motion states: ‘To every action there is an equal and opposite reaction’.

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. These two forces are always equal in magnitude, but opposite in direction.

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Answer 2

Newton's third law of motion :-

The law states that "To every action there is an equal and opposite reaction" .

• Action and reaction are equal in magnitude but opposite in direction.

• Action and reaction act on different bodies. Because of that, they cannot cancel each other.
• Forces always occur in pairs. There is no such thing as a single, isolated force.

Examples of Newton's third law :-

1. When a book is placed on a table, the weight of the book (action) is acting on the table downwards. The table exerts an equal force (reaction) on the book in upward direction.
2. The sun attracts the earth with a certain force (action), the earth attracts the sun with an equal and opposite force (reaction).
3. When a man swims, he pushes back the water (action), the water in turn pushes him forward (reaction).