Gear A has 70 teeth, and gear B has 45 teeth. If a torque of 26 lb·in. and a speed of 620 rpm is required at C, determine the minimum power that the motor must provide.

Gear A has 82 teeth, and gear B has 60 teeth. If a torque of 31 lb·in. and a speed of 1,100 rpm is required at C, determine the minimum power that the motor must provide.

Loads P = 14 N, Q = 90 N, and R = 17 N are applied to the structure. Determine the torque generated in segment (2). Let a = 100 mm, b = 77 mm, and c = 54 mm.

A torque of TC = 920 N·m is applied to the aluminum [G = 70 GPa] shaft. Segment (1) has a diameter of 79 mm, and segment (2) has a diameter of 41 mm. Determine the angle of twist at C. Let L1 = 0.70 m and L2 = 0.36 m.

A load of P = 16 N is applied a = 245 mm from the center of a 20 mm bolt. Determine the torque applied to the bolt.

A 71-lb child and a 30-lb cardboard box are on an oak beam. Determine the vertical reaction force at the right end of the beam. Let a = 22 in., b = 35 in., and c = 45 in.

A force of P = 22 N is applied to a lever at the end of a composite shaft. Sleeve (1) has a polar moment of inertia of 92,800 mm4 and a shear modulus of 1.7 GPa. Core (2) has a polar moment of inertia of 38,300 mm4 and a shear modulus of 1.4 GPa. Determine the torque produced in core (2). Let a = b = 245 mm.

A torque of T = 120 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 22 ksi.

Determine the magnitude of the largest bending moment (consider both positive and negative peaks) in the beam. Let M = 196 lb·ft, a = 2.5 ft, and b = 8.5 ft. Assume the beam cannot lift off of the supports.

A force of P = 22 N is applied to a lever at the end of a composite shaft. Sleeve (1) has a polar moment of inertia of 112,000 mm4 and a shear modulus of 0.5 GPa. Core (2) has a polar moment of inertia of 19,100 mm4 and a shear modulus of 1.8 GPa. Determine the torque produced in core (2). Let a = b = 230 mm.