Which of the following pairs is a correct pair A particle revolves round a circular path the acceleration of the particle is

Options

A. along the circumference of the circle and `a=(v^(2))/(m)`
B. along the tangent and v= ar
C. along the radius and `a=(v^(2))/(r )`
D. zero and velocity is zero

Answer

c

Explanation

Acceleration acts towards the centre (where = v = velocity m- mass r- radius of circular path a - acceleration)