Q.

If suddenly the gravitational force of attraction between earth and a satellite revolving around it becomes zero, then the satellite will :

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a

become stationary in its orbit

b

move towards the earth

c

continue to move in its orbit with same velocity

d

move tangentially to the original orbital with same velocity

answer is B.

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Detailed Solution

When the gravitational force on the satellite becomes zero the satellite continues to move in a straight line tangent to the orbit with its original speed, according to Newton's 1st law of motion.

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