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STATEMENT -1 : Weightlessness is observe...

STATEMENT -1 : Weightlessness is observed in an artifical satellite and this weightlessness does not depend upon the height of satellite above Earth's surface.
and
STATEMENT -2 : Weightlessness is not observed upon moon because mass of moon is much larger than that of artificial satellite. The weight of a body upon moon is due to the gravitational pull of moon upon the body.

A

Statement 1- True, Statement -2 is True, Statement -2 is a correct explanation for Statement -1

B

Statement -1 is True, Statement -2 is True, Statement -2 is NOT a correct explanation for Statement -1

C

Statement -1 is True, Statement -2 is False

D

Statement -1 is False, Statement -2 is True

Text Solution

Verified by Experts

The correct Answer is:
A
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A person in an artificial satellite of Earth feels weightlessness. But a person on the Moon has weight though the Moon is also a satellite of the Earth. Why?

A person in an artificial satellite of earth feels weightlessness. But a person on the moon has weight eventhough moon is also a satellite . Why ?

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.

Assertion : On earth's satellite, we feel weightlessness. Moon is also satellite of earth. But on the surface on moon, we do not feel weightlessness Reason : Gravitational force by earth on us on the surface of moon is zero. But gravitational force by moon on us on its surface is non-zero.

Assertion : The gravitational attraction of moon is much less than that of earth. Reason : Moon is the neutral satellite of the earth.

Statement-1:A personfeels weightlessness in an artificial satellite of the earth . A person on thhe moon (natural satellite) feels his weight. Statement-2: Artifical satellite is a freely falling body and on the moon surface. The weight is mainly due to Moon-s gravitational attraction.

STATEMENT -1 : Time period of a satellite is inversely propertional to the square root of the mass of planet. STATEMENT -2 : Self gravitational potential energy of earth is positive. STATEMENT -3 : Orbital velocity of a satellite does depend upon the mass of planet.

Statement-1: Moon cannot be used as a satellite for communication. Statement-2: Moon doesn't move in the equatorial plane of the earth.

A body is projected from earth's surface to become its satellite, its time period of revolution will not depend upon

Statement I: For a satellite revolving very near to the earth's surface the time period of revolution is given by 1 h 24 min. Statement II: The period of revolution of a satellite depends only upon its height above the earth's surface.