Pulleys C and D are attached to shaft AB, as shown. The shaft is supported on bearings at each end. The shaft rotates at a uniform speed. Pulley D is the driver and pulley C is the power take-off. The diameter of the shaft is 2 1 2 in. Calculate
a. the belt tension P3.
b. the maximum shear stress in the shaft.
![1149_Fig 05.jpg](https://secure.tutorsglobe.com/CMSImages/1149_Fig 05.jpg)