Figure 2 shows a countershaft carrying two V-belt pulleys. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and delivered to the belt on pulley B. Assume the belt tension on the loose side at B is 15 percent of the tension on the tight side. a) Determine the tensions in the belt on pulley B, assuming the shaft is running at a constant speed. b) Find the magnitudes of the bearing reaction forces, assuming the bearings act as simple supports. c) Draw shear-force and bending-moment diagrams in X-Y plane for the shaft. d) At the point of maximum bending moment, determine the bending stress and the torsional shear stress. 230 mm 280 mm 30-mm dia. 300 mm 250-mm dia. 400-mm đia. 270 N 1800 N

Figure 2 shows a countershaft carrying two V-belt pulleys. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and delivered to the belt on pulley B. Assume the belt tension on the loose side at B is 15 percent of the tension on the tight side. a) Determine the tensions in the belt on pulley B, assuming the shaft is running at a constant speed. b) Find the magnitudes of the bearing reaction forces, assuming the bearings act as simple supports. c) Draw shear-force and bending-moment diagrams in X-Y plane for the shaft. d) At the point of maximum bending moment, determine the bending stress and the torsional shear stress. 230 mm 280 mm 30-mm dia. 300 mm 250-mm dia. 400-mm đia. 270 N 1800 N

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.3.10P: Repeat Problem 11.3-9. Use two C 150 × 12.2 steel shapes and assume that E = 205 GPa and L = 6 m.

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Repeat Problem 11.3-9. Use two C 150 × 12.2 steel shapes and assume that E = 205 GPa and L = 6 m.
A countershaft carrying two V-belt pulley is shown in Figure 1. Pulley A receivespower from a motor through a belt with the belt tensions shown. The power is transmittedthrough the shaft and delivered to the belt on Pulley B. Assume the belt tension on the loose sideat B is 15 percent of the tension on the tight side.(a) Determine the tensions in the belt on pulley B (assuming the shaft is running at a constantspeed).(b) Find the magnitudes of the bearing reaction forces assuming the bearings act as simplesupports.(c) Draw the shear force and bending moment diagrams for the shaft.
A countershaft carrying two V-belt pulleys is shown in the figure. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and delivered to the belt on pulley B. Assume the belt tension on the loose side at B is 15 percent of the tension on the tight side. Determine the tensions in the belt on pulley B, assuming the shaft is running at a constant speed. Find the magnitudes of the bearing reaction forces, assuming the bearings act as simple supports. Draw shear-force and bending-moment diagrams for the shaft. If needed, make one set for the horizontal plane and another set for the vertical plane. At the point of maximum bending moment, determine the bending stress and the torsional shear stress. At the point of maximum bending moment, determine the principal stresses and the maximum shear stress.
A countershaft carrying two V-belt pulleys is shown in the figure. Pulley A receives power from amotor through a belt with the belt tensions shown. The power is transmitted through the shaft anddelivered to the belt on pulley B. Assume the belt tension on the loose side at B is 15 percent ofthe tension on the tight side.(a) Determine the tensions in the belt on pulley B, assuming the shaft is running at a constantspeed.(b) Find the magnitudes of the bearing reaction forces, assuming the bearings act as simplesupports.(c) Draw shear-force and bending-moment diagrams for the shaft. If needed, make one set for thehorizontal plane and another set for the vertical plane.(d) At the point of maximum bending moment, determine the bending stress and the torsionalshear stress.(e) At the point of maximum bending moment, determine the principal stresses and themaximum shear stress.
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