A satellite moving in a circular orbit around the earth if gravitation pull suddenly disappear then it

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continues to move with the same speed along the same path

comes to rest after moving a certain distance along the original path

moves with the same speed tangential to the original orbit

falls down with the increasing speed

answer is B.

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Detailed Solution

A satellite moves in a circular orbit due to the gravitational force exerted by the earth. The gravitational force constantly changes the direction of the motion of the satellite as a result it remains in a circular motion. If this force is removed then the direction of the motion of the satellite will no longer keep on changing and hence the satellite will travel tangentially to the original orbit. Since a force is required to change the speed of the satellite, the satellite will keep travelling with the same speed due to the absence of the force.

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