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

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The moon revolves around the earth.

To revolve, it requires a centripetal force which is given by earth’s gravitational force.

If the gravity of earth suddenly disappeared, the force on moon will become zero.

In the presence of zero force, the moon will continue moving in a straight line with the same speed.

Can be understood by Newton’s first law:

“In the absence of any force, the body will move on straight with constant speed, if it is not at rest.”

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