This result is key in understanding situations where mobiles moves in uniform
circular motion. In those cases, the following reasoning should help to
determine the forces acting on the object,
- If the object is moving in circular motion, there is a centripetal
- if there is a centripetal acceleration, at lease one of the forces
should be the centripetal force. A centripetal force should always point
toward the center of the circle.
- If a force is determined to always point toward the center, then the
motion of the object is circular motion.