A torque of T = 310 lb·in. is applied to two pulleys and a copper-alloy shaft. Determine the minimum diameter of the shaft if its shear yield strength is 20 ksi.

A torque of T = 350 lb·in. is applied to two pulleys and a copper-alloy shaft. Determine the minimum diameter of the shaft if its shear yield strength is 18 ksi.

A 15-lb cardboard box sits on an oak beam. Determine the maximum bending moment in the beam if the weight is modeled as concentrated load P = 15 lb. Let a = 45 in.

Gear A has 68 teeth, and gear B has 57 teeth. If a torque of 60 lb·in. and a speed of 860 rpm is required at C, determine the minimum power that the motor must provide.

A load of P = 4 N is applied to a hex wrench that has lengths a = 15 mm and b = 52 mm. Determine the torque applied to the set screw.

A 31-lb cardboard box sits on an oak beam. Determine the maximum bending moment in the beam if the weight is modeled as distributed load w = 1.4091 lb/in. Let a = 36 in. and b = 22 in.

Gear A has a diameter of 1.94 in., and gear B has a diameter of 2.70 in. If the pointer needs to be rotated 111° CW, how much should the motor be rotated?

A torque of T = 160 lb·in. is applied to two pulleys and a copper-alloy shaft. Determine the minimum diameter of the shaft if its shear yield strength is 19 ksi.

Determine the magnitude of the largest bending moment (consider both positive and negative peaks) in the beam. Let M = 149 lb·ft, a = 3.6 ft, and b = 10.4 ft. Assume the beam cannot lift off of the supports.

A 35-lb cardboard box sits on an oak beam. Determine the maximum bending moment in the beam if the weight is modeled as concentrated load P = 35 lb. Let a = 52 in.