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A block of mass' \( m^{\prime} \) is kept on the ground as shown in figure. Which of the following statements is/are correct of action-reaction force pair? This question has multiple correct options

1. Normal force can never be a reactive force
2. Weight of the body is not a part of action reaction pair
3. Forces act on different bodies
4. None of these

Correct answer: Forces act on different bodies

Solution

An action-reaction pair always consists of equal and opposite forces acting on two different bodies. The weight of the block is the Earth’s pull on the block, and its reaction is the block’s pull on the Earth, so the pair does not act on the same body.

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