Newton’s second law for rotational motion The solid two part pulley in F...

Newton’s second law for rotational motion

The solid two part pulley in Figure P8.22 initially rotates counter clockwise . Two rope s pull on the pulley as shown. The inner part has a radius of 1.5a, and the outer part has a radius of 2.0a. (a) Construct a force diagram for the pulley with the origin of the coordinate system at the center of the pulley. (b) Determine the torque produced by each force (including the sign) and the resultant torque exerted on the pulley. (c) Based on the results of part (b), decide on the signs of the rotational velocity and the rotational acceleration.