Question

The kinetic energy of particle moving along a circle of radius
R depends upon the distance covered S and is given by K
= aS where a is a constant. Then the force acting on the
particle is
(a) aS/R
(b)2(aS)²/R
(c) aS²/R²
(d)2aS/R

Answer 1

Answer:

2(aS) 2R is the correct answer