PROBLEM 3. A 5-m steel shaft rotating at 1.20 Hz has 72 kW applied at a gear that is 2 m from the left end where 20 kW are removed. At the right end, 32 kW are removed and another 20 kW leaves the shaft at 1.5 m from the right end. (a) Find the uniform shaft diameter so that the shearing stress will not exceed 69 MPa. (b) If a uniform shaft diameter of 110 mm is specified, determine the angle by which one end of the shaft lags behind the other end. Use G = 82 GPa -20 KW +72 KW -20 KW +32 KW A B C D 2 m 1.5 m 1.5 m

PROBLEM 3. A 5-m steel shaft rotating at 1.20 Hz has 72 kW applied at a gear that is 2 m from the left end where 20 kW are removed. At the right end, 32 kW are removed and another 20 kW leaves the shaft at 1.5 m from the right end. (a) Find the uniform shaft diameter so that the shearing stress will not exceed 69 MPa. (b) If a uniform shaft diameter of 110 mm is specified, determine the angle by which one end of the shaft lags behind the other end. Use G = 82 GPa -20 KW +72 KW -20 KW +32 KW A B C D 2 m 1.5 m 1.5 m

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.12.4P: The stepped shaft shown in the figure is required to transmit 600 kW of power at 400 rpm. The shaft...

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