Inside a satellite orbiting very close to the earth’s surface, water does not fall out of a glass when it is inverted. Which of the following is the best explanation for this ?

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The earth does not exert any force on the water

The earth’s force of a attraction on the water is exactly balanced by the force created by the satellite’s motion

The force of attraction of earth on water is balanced by the centrifugal force acting on water.

The gravitational attraction between the glass and the water balances the earth’s attraction on the water.

answer is C.

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Detailed Solution

The satellite has centripetal acceleration (radially inward , V2 / r) , so the satellite is non-inertial frame . Since the water is in the satellite , a radially outward pseudo force (Centrifugal force) is acting on the water in the glass.This pseudo force balances the gravitational force of attraction of water,

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