The Figure shows the motor A, which turns its connected pulley at 125 r.p.m. If the least safe diameter of the shaft of the pulley B is 30 mm and is made of material of allowable shear stress of 70 MPa. The maximum torque that could be applied to this shaft (in Joule) is approximately equal 75 mm 125 rev/min 130 mm ) a. 237 ) b. 152 c. 371 )d. 458 )e. None of the above

The Figure shows the motor A, which turns its connected pulley at 125 r.p.m. If the least safe diameter of the shaft of the pulley B is 30 mm and is made of material of allowable shear stress of 70 MPa. The maximum torque that could be applied to this shaft (in Joule) is approximately equal 75 mm 125 rev/min 130 mm ) a. 237 ) b. 152 c. 371 )d. 458 )e. None of the above

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

The Figure shows the motor A, which turns its connected pulley at 125 r.p.m. If the least safe diameter of the shaft of the pulley B is 30 mm and is made of material of allowable shear stress
of 70 MPa. The maximum torque that could be applied to this shaft (in Joule) is approximately equal
75 mm
125 rev/min
130 mm
)а. 237
) b. 152
)c. 371
) d. 458
)e. None of the above

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