Recent content by steakums

I would use conservation of energy, but this class has not even touched energy at all. We are expected to use force balance and torque only.

Homework Statement Consider a uniform 10-kg circular disk with diameter .4m. The disk is free to rotate about a horizontal axis through its center. A (massless) cord wrapped around the disk passes over a 2-kg pulley, P, with diameter .2m and is attached to a 25-kg mass. The pulley's mass...