5-53. The pipe cutter is clamped around the pipe P. If the wheel at A exerts a normal force of F, - 80 N on the pipe, determine the normal forces of wheels B and Con the pipe. Also calculate the pin reaction on the wheel at C. The three wheels each have a radius of 7 mm and the pipe has an outer radius of 10 mm. 10 mm B 10 mm
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- Based on Problem 5-87 from the textbook. Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is tramsitted to pulley B. Determine the horizontal tension T in the belt on pulley B and the x, y, z components of reaciotn at the journal bearing C and thrust bearing D. The bearings are in proper alignment and exrt only force reactions on the shaft. F₁ = 70 N F2=80 N Unique Values for F 300 mm F3 = 40 N 8= 44 44° 250 mm 200 mm F₁ F2 80 mm A 150 mm BP6-1. use the element shown and specify i, y, and dA.*4-48. The pipe of weight Wis to be pulled up the inclined plane of slope a using a force P. If Pacts at an angle d, show that for slipping P = W sin(a + 0)/cos(6 - 6), where e is the angle of static triction; 8 = tan '-
- 4-69. The pipe assembly is secured on the wall by the two brackets. If the frictional force of both brackets can resist a maximum moment of 150 lb-ft, determine the largest weight of the flowerpot that can be supported by the assembly. Problems 4-68/69 O 2 60° 4 ft 4 ft 3 ft 30° 3 ft B*3-16. Determine the stretch of each spring for equilibrium of the 20-kg cylinder. Problem 3-16 Ja KAD=400 N/m KAB = 300 N/m KAC = 200 N/m 3 m 4 m 3 m5-87. Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is transmitted to pulley B. Determine the horizontal tension T in the belt on pulley B and the x, y, z components of reaction at the journal bearing C and thrust bearing D if 0 = 45°. The bearings are in proper alignment and exert only force reactions on the shaft. Problem 5-87 300 mm 250 mm 80 N 200 mm 65 N 80 mm A 80 N 150 mm B T -50 N
- R4-6. A vertical force of 400 N acts on the crankshaft. Determine the horizontal equilibrium force P that must be applied to the handle and the x, y, z components of reaction at the journal bearing A and thrust bearing B. The bearings are properly aligned and exert only force reactions on the shaft. 400 N 250 mm y 350 mm 350 mm 150 mm 200 mm 100 mmThe pumping unit is used to recover oil. When the walking beam ABC is horizontal, the forceacting in the wireline at the well head is 250 lb. Determine the torque M which must beexerted by the motor in order to overcome this load. The horse-head C weighs 60 lb andhas a center of gravity at Gc. The walking beam ABC has a weight of 130 lb and a centerof gravity at GB, and the counterweight has a weight of 200 lb and a center of gravity atGW. The pitman, AD, is pin connected at its ends and has negligible weight.4-18. A boy stands out at the end of the diving board, which is supported by two springs A and B, each having a stiffness of k-15 kN/m. In the position shown the board is horizontal. If the boy has a mass of 40 kg, determine the angle of tilt which the board makes with the horizontal after he jumps off. Neglect the weight of the board and assume it is rigid. 3m
- Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is transmitted to pulley B. Determine the horizontal tension T in the belt on pulley B and the x, y, z components ofreaction at the journal bearing C and thrust bearing D if θ = 0°. The bearings are in proper alignment and exert only force reactions on the shaft.1 m aile Prob. 5-82 ket Inthree di 5-83. Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is transmitted to pulley B. Determine the horizontal tension T in the belt on pulley B and the x, y, z components of t reaction at the journal bearing C and thrust bearing D if A = 0°.The bearings are in proper alignment and exert only force reactions on the shaft. determine the me each force The Theix established 200 mm 50 N 250 mm LD 300 mm -150 mm B. EGO 80 mm 65 N 80 N Prob. 5-833/3 The weight of the bicycle is 29 lb with center of grav- ity at G. Determine the normal forces at A and B when the bicycle is in equilibrium. B - 22.5"- -18.5"- Problem 3/3