Question

explain about centripetal force

Answer 1

A centripetal force  is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.

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Answer 2

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☛When a body moves along a circular path in a uniform speed, its direction of motion changes at every points.

☛The change in direction involves changes in velocity or acceleration.

☛The force that provide the acceleration and keeps the body moving along a circular path acts towards centre. This force is known as centripetal ( centre seeking) force.

☛This is a force required to make a body move along a circular path with uniform speed.

☛It always acts along the radius and towards the centre of the circular path.

☛Eg:- The motion of the Moon around the earth is due to the centripetal force. The centripetal force is provided by the force of attraction of the earth. If there was no such force, the moon would move in straight line motion.