A cricketer hits 4 runs, when middle of the bat hits the ball. This is an example of Newton's:
Correct answer: B. 3rd law of motion
- A. 2nd law of motion
- B. 3rd law of motion
- C. 1st law of motion
- D. Law of gravity
Explanation
Newton's third law states that every force has an equal and opposite force Since the force of the ball equals , the force of the racket must be equal and opposite.
This question appeared on the HEC Phase I 2017 paper, which you can sit online with every answer explained.
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About Newton's Laws of Motion
Newton’s laws explain inertia, the relation between net force and acceleration, and action-reaction pairs. Questions involve free-body diagrams, balanced and unbalanced forces, F = ma, force as the rate of change of momentum, and identifying genuine third-law pairs, which act on different bodies.
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