Axial loads are applied with rigid bearing plates to the solid cylindrical rods. One load of P = 120 kN is applied to the assembly at A, two loads Q = 40 kN are applied at B, and two loads R = 150 kN are applied at C. Determine the total change in length of the assembly.L1 = 0.24 m, E1 = 194 GPa, A1 = 0.0014 m2L2 = 0.46 m, E2 = 208 GPa, A2 = 0.0005 m2L3 = 0.34 m, E3 = 106 GPa, A3 = 0.0015 m2

A force of P = 25 N is applied to a lever at the end of a composite shaft. Sleeve (1) has a polar moment of inertia of 108,000 mm4 and a shear modulus of 0.8 GPa. Core (2) has a polar moment of inertia of 23,000 mm4 and a shear modulus of 0.6 GPa. Determine the torque produced in core (2). Let a = b = 200 mm.

A load of P = 10 N is applied to a hex wrench that has lengths a = 39 mm and b = 137 mm. Determine the torque applied to the set screw.

A 20-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 = 20 lb. Let a = 45 in.

A 19-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 = 0.6786 lb/in. Let a = 35 in. and b = 28 in.

A torque of T = 460 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.

Gear A has a diameter of 1.91 in., and gear B has a diameter of 2.84 in. If the pointer needs to be rotated 163° CW, how much should the motor be rotated?

A torque of TC = 550 N·m is applied to the aluminum [G = 69 GPa] shaft. Segment (1) has a diameter of 69 mm, and segment (2) has a diameter of 34 mm. Determine the angle of twist at C. Let L1 = 0.55 m and L2 = 0.36 m.

A torque of T = 265 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.

A 60-lb child and a 178-lb adult are on an oak beam. Determine the vertical reaction force at the right end of the beam. Let a = 25 in., b = 50 in., and c = 23 in.