Answered: below. Determine: (1) the torque in…

below. Determine: (1) the torque in shaft c-d to the nearest in-lb and (2) the angle of twist at point a in degrees with two decimal places.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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

Photo by Norbert Schnitzler, CC BY-SA 2.0
simple
model
36 in
bearing bearing
fixed support
A simplified model of two solid circular
shafts connected by two rigid gears is given
below. Determine: (1) the torque in shaft
c-d to the nearest in-lb and (2) the angle
of twist at point a in degrees with two
decimal places.
b
bearing
bearing
a
62 in
Notes: top view (sketch not to scale)
- gear b radius= 1.25 in
- gear c radius = 4.60 in
- shaft ab radius = 1.00 in
-shaft cd radius = 0.75 in
- shear modulus = 12000 ksi
1100 in-lb

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