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A force of P = 30 N is applied to a lever at the end of a composite shaft. Sleeve (1) has a polar moment of inertia of 67,700 mm4 and a shear modulus of 1.6 GPa. Core (2) has a polar moment of inertia of 23,000 mm4 and a shear modulus of 1.5 GPa. Determine the torque produced in core (2). Let a = b = 200 mm.

A 65-lb child and a 121-lb adult are on an oak beam. Determine the vertical reaction force at the left end of the beam. Let a = 26 in., b = 50 in., and c = 28 in.

A load of P = 6 N is applied to a hex wrench that has lengths a = 18 mm and b = 57 mm. Determine the torque applied to the set screw.

Loads P = 85 N, Q = 75 N, and R = 70 N are applied to the structure. Determine the torque generated in segment (1). Let a = 120 mm, b = 80 mm, and c = 45 mm.

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.

A torque of TC = 910 N·m is applied to the aluminum [G = 71 GPa] shaft. Segment (1) has a diameter of 80 mm, and segment (2) has a diameter of 41 mm. Determine the angle of twist at C. Let L1 = 0.52 m and L2 = 0.37 m.

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.

Gear B has 10 teeth, and gear C has 18 teeth. If a torque of 16 lb·in. and a speed of 2,050 rpm is required at A, determine the minimum power that the motor must provide.

A 63-lb child and a 111-lb adult are on an oak beam. Determine the vertical reaction force at the right end of the beam. Let a = 26 in., b = 48 in., and c = 22 in.

A load of P = 29 N is applied a = 235 mm from the center of a 20 mm bolt. Determine the torque applied to the bolt.