Object feel weightlessness at equator of...

Object feel weightlessness at equator of earth when angular speed becomes

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If a person at equator of earth feels that his weight is reduced by a factor of two of the present weight at equator of earth. The duration of the day will be approximately

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Feeling of weightlessness in a satellite is due to

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 ?

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?

The rotation of the earth radius R about its axis speeds upto a value such that a man at latitude angle 60^(@) feels weightless. The duration of the day in such case will be

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