Derekowens. The Centripetal Force Requirement. As mentioned earlier in this lesson, an object moving in a circle is experiencing an acceleration.
Even if moving around the perimeter of the circle with a constant speed, there is still a change in velocity and subsequently an acceleration. This acceleration is directed towards the center of the circle. And in accord with Newton's second law of motion, an object which experiences an acceleration must also be experiencing a net force. Iitjeecoachingonline. Viren's Videos Free AP Physics Review Help. PhysicsEH.