Question

Define uniform circular motion. centripetal force and centrifugal force .

Answer 1

Answer

⚫Uniform circular motion

◾The motion of a particle around a circular path with a constant speed is known as uniform circular motion.

⚫Centripetal force

◾Radial force acting on a particle pointing towards the centre of circular path is known as centripetal force.

⚫Centrifugal force

◾A force which is equal and opposite to the centripetal force and which arise due to rotation of bodies is known as Centrifugal force.

Answer 2

1)Uniform Circular Motion:-[UCM]
Circular motion with constant angular speed, zero angular acceleration and time period remains constant.

2) Centripetal force:-[Fcp]
The necessary force required to perform Circular motion which along the radius of the circle and directed towards the centre of the circle. It is a real force. Its direction is different at different points and it does not do any work.

3) Centrifugal force:-
Centrifugal force is a pseudo force in UCM., which acts along the radius and is directed away from the centre of the circle. It is only considered in non-inertial frame of view..

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