A body is revolving with a constant speed along a circular path. If the direction of its velocity

is reversed, keeping speed unchanged, then

Even though the direction of velocity is changed, the centripetal force must be towards the centre only angular velocity changes its direction.

 So option ‘A’ is correct because its speed is remains constant whether the velocity direction is

 along clock wise or anti clock wise, centripetal force do not suffer any change in magnitude

 and direction. Remaining options B, C, D are not true