A 56-lb child and a 118-lb adult are on an oak beam. Determine the vertical reaction force at the left end of the beam. Let a = 25 in., b = 41 in., and c = 24 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.

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.

A torque of TC = 610 N·m is applied to the aluminum shaft. Segment (1) has a diameter of 74 mm, and segment (2) has a diameter of 35 mm. Determine the angle of twist at C. Let L1 = 0.68 m and L2 = 0.40 m.

A beam is singly reinforced with the reinforcement in two rows. The bottom row contains 6 No. 5 bars at a depth of 18 in. The top row contains 2 No. 6 bars at a depth of 13.5 in. Determine the effective (centroidal) depth, d, of the steel.

A load of P = 63 N is applied a = 150 mm from the center of a 13 mm bolt. Determine the torque applied to the bolt.

Gear A has a diameter of 1.48 in., and gear B has a diameter of 2.00 in. If the pointer needs to be rotated 57° CW, how much should the motor be rotated?

A torque of T = 290 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 35-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 = 1.4583 lb/in. Let a = 36 in. and b = 24 in.

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.