Question

Torque due to centripetal force is zero why?​

Answer 1

Answer:

Under the effect of a centripetal force, an object doesn't speed up or slow down; it continuously changes its direction, so that it moves in a circle. Since, the rate of rotation isn't changing, the angular momentum is also staying the same, so there is no net torque on the object.

Answer 2

Answer:

Under the effect of a centripetal force, an object doesn't speed up or slow down; it continuously changes its direction, so that it moves in a circle. Since, the rate of rotation isn't changing, the angular momentum is also staying the same, so there is no net torque on the object.