question_answer

A particle of mass m is observed from an inertial frame of reference and is found to move in a circle of radius r with a uniform speed v. The centrifugal force on it is :-

A)  \[\frac{m{{v}^{2}}}{r}\]towards the centre

B)  \[\frac{m{{v}^{2}}}{r}\] away from the centre

C)  \[\frac{m{{v}^{2}}}{r}\] along the tengent through the particle

D)  Zero