The incremental work in rotating a rigid body about a fixed axis is the sum of the torques about the axis times the incremental angle. The total work done to rotate a rigid body through an angle θ abo...The incremental work in rotating a rigid body about a fixed axis is the sum of the torques about the axis times the incremental angle. The total work done to rotate a rigid body through an angle θ about a fixed axis is the sum of the torques integrated over the angular displacement. The work-energy theorem relates the rotational work done to the change in rotational kinetic energy: W_AB = K_B − K_A. The power delivered to a system that is rotating about a fixed axis is the torque times the angul
