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Question

Suppose gravity of earth suddenly becomes zero, then in which direction
will the moon begin to move if no other celestial body affects it ?

A
Radial
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B
Tangential
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C
cant say
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D
None
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Solution

The correct option is C Tangential
Moon will be launched in tangential direction with a speed at which it was orbiting around the earth.
In other words, it's speed and direction will be what it was at the time when gravitational force of earth ceased to exist.

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