The weight of a man is equal to the force of gravity acting on it when:
Correct answer: A. The elevator is at rest
- A. The elevator is at rest
- B. The elevator moves up with an acceleration 'a'
- C. The elevator moves down with an acceleration 'a'
- D. None of these
Explanation
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About Gravitation
Newton’s law of universal gravitation relates the force between masses to their masses and separation, while gravitational field strength explains weight and orbital motion. The topic covers satellite velocity and period, escape ideas, weightlessness in free fall, and artificial gravity, which differs from ordinary gravitational attraction.
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