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When do you experience weightlessness in...

When do you experience weightlessness in a lift?

A

moving upward with constant velocity

B

moving upward with constant acceleration

C

moving downward with constant velocity

D

moving downward with constant acceleration

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A person on the moon experiences gravitational force but same person experiences weightlessness in an artificial satellite of earth. Explain.

Assertion : An astronaut experience weightlessness in a space satellite. Reason : When a body falls freely it does not experience gravity.

An astronaut experiences weightlessness in a space satellite It is because .

Why does an astronaut experience weightlessness in outer space?

What do you mean by weightlessness?

Choose the correct statements- (1) For equilibrium of a body under the action of concurrent forces oversetrightarrow"F"_(1)+oversetrightarrow"F"_(2)+oversetrightarrow"F"_(3)+.......oversetrightarrow"F"_("n")=0 (2) If the downward acceleration of the lift is a = g, then the body will experience weightlessness. (3) If the downward acceleration of the body is a gt g, then the body will rise up to the ceiling of lift (4) If the downward acceleration of the lift is a gt g, then the body will experience weightlessness.

An astronaut. inside an earth satellite, experiences weightlessness because

Why do bodies become weightless in artificial satellites ?

Assertion : On satellites we feel weightlessness. Moon is also a satellite of earth. But we do not feel weightlessness on moon. Reason : Mass of moon is considerable.

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