A simply supported shaft is shown in figure below. A constant magnitudedistributed unit load p=1000 Nicm is applied as the shaft rotates subject to atime-varying repeated torque that varies with maximum value of Tmar=2000N.m. Find the diameter of shaft required to obtain a safety factor of 2 infatigue loading if the shaft is steel of S =745 MPa and S, = 427 MPa. Thedimensions (I= 20, b = 18 and a = 16) are in cm.

Answered: Image /qna-images/answer/e82bddbf-34de-4ede-8585-8b3d75270d72.jpg

Answered: 1000 Nicm is applied as the shaft re I…

1000 Nicm is applied as the shaft re I torque that varies with maximum va ter of shaft required to obtain a safe shaft is steel of S =745 MPa and S, = 18 and a = 16) are in cm.

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 3.12.1P: A stepped shaft consisting of solid circular segments having diameters D1= 2.0 in, and D2= 2.4 in....

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Question

A simply supported shaft is shown in figure below. A constant magnitude
distributed unit load p=1000 Nicm is applied as the shaft rotates subject to a
time-varying repeated torque that varies with maximum value of Tmar=2000
N.m. Find the diameter of shaft required to obtain a safety factor of 2 in
fatigue loading if the shaft is steel of S =745 MPa and S, = 427 MPa. The
dimensions (I= 20, b = 18 and a = 16) are in cm.

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