The steel shaft of a socketwrench is 12 mm in diameter and450 mm long. If the allowablestress in shear is 76 MPa, whatis the maximum permissibletorque T that may be exertedwith the wrench? Through what12 mmangle Ø will the shaft twist under-450 mm-the action of the maximumtorque? (Assume G = 81 GPa anddisregard any bending of theshaft.)

Answered: 12 mm -450 mm-

Engineering

Mechanical Engineering

12 mm -450 mm-

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 3.3.12P: A propeller shaft for a small yacht is made of a solid steel bar 104 mm in diameter. The allowable...

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Concept explainers

Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.

Question

The steel shaft of a socket
wrench is 12 mm in diameter and
450 mm long. If the allowable
stress in shear is 76 MPa, what
is the maximum permissible
torque T that may be exerted
with the wrench? Through what
12 mm
angle Ø will the shaft twist under
-450 mm-
the action of the maximum
torque? (Assume G = 81 GPa and
disregard any bending of the
shaft.)

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