Solution: A solid sphere of 5 kg mass and 2 cm radius rotates about an axis through its center. If a constant force of 5 N is applied tangentially to the edge of the sphere, how rapidly is the sphere's kinetic energy changing when the angular speed is 50 rad/s?

A solid sphere of 5 kg mass and 2 cm radius rotates about an axis through its center. If a constant force of 5 N is applied tangentially to the edge of the sphere, how rapidly is the sphere's kinetic energy changing when the angular speed is 50 rad/s?