Answered: d= 2.5 in. T -L = 60 in.- - 1.25 in. rA…

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d= 2.5 in. T -L = 60 in.- - 1.25 in. rA = 1 in. PROBLEM 3.3-1

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.3.10P: Solve the preceding problem if F =90 mm, F = 42 kN, and t = 40°MPa

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Concept explainers

Torsion

In mechanical engineering, torque, torsion, and twisting moment are three of the most important concepts which have different meanings. Torque is the consequence of a moment of a force that produces an angular acceleration in a body or induces rotational kinetic energy in a body. For instance, in an automobile, the power transmission shaft is a body that is always under rotation due to the external torque acting on it, this torque is created by the engine.

Question

A solid steel bar of circular cross section has diameter d =2.5 in., L = 60 in., and shear modulus of elasticity G= 11.5 x 10⁶ psi. The bar is subjected to torques T= 300 lb-ft at the ends. Calculate the angle of twist between the ends. What is the maximum shear stress and the shear stress at a distance r_A= 1.0 in. measured from the center of the bar?

d= 2.5 in.
T
-L = 60 in.-
- 1.25 in.
rA = 1 in.
PROBLEM 3.3-1

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