Blog

Gear B has 9 teeth, and gear C has 14 teeth. If a torque of 10 lb·in. and a speed of 1,800 rpm is required at A, determine the minimum power that the motor must provide.

A 22-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 = 22 lb. Let a = 52 in.

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.

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.

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 torque of TC = 840 N·m is applied to the aluminum [G = 74 GPa] shaft. Segment (1) has a diameter of 76 mm, and segment (2) has a diameter of 39 mm. Determine the angle of twist at C. Let L1 = 0.53 m and L2 = 0.38 m.

A 18-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 = 18 lb. Let a = 47 in.

Determine the magnitude of the largest bending moment (consider both positive and negative peaks) in the beam. Let M = 181 lb·ft, a = 3.2 ft, and b = 7.8 ft. Assume the beam cannot lift off of the supports.

WL is advised to build a ____ when he reaches the city.

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