16.25 The 160-mm-radius brake drum is attached to a larger flywheel that is not shown. The total mass moment of inertia of the drum and the fly- wheel is 18 kg m² and the coefficient of kinetic friction between the drum and the brake shoe is 0.35. Knowing that the angular velocity of the flywheel is 360 rpm counterclockwise when a force P of magnitude 300 N is applied to the pedal C, determine the number of revolutions executed by the fly- wheel before it comes to rest.

16.25 The 160-mm-radius brake drum is attached to a larger flywheel that is not shown. The total mass moment of inertia of the drum and the fly- wheel is 18 kg m² and the coefficient of kinetic friction between the drum and the brake shoe is 0.35. Knowing that the angular velocity of the flywheel is 360 rpm counterclockwise when a force P of magnitude 300 N is applied to the pedal C, determine the number of revolutions executed by the fly- wheel before it comes to rest.

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

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.

Question

16.25 The 160-mm-radius brake drum is attached to a larger flywheel
that is not shown. The total mass moment of inertia of the drum and the fly-
wheel is 18 kg m and the coefficient of kinetic friction between the drum
and the brake shoe is 0.35. Knowing that the angular velocity of the flywheel
is 360 rpm counterclockwise when a force P of magnitude 300 N is applied
to the pedal C, determine the number of revolutions executed by the fly-
wheel before it comes to rest.
16.26 Solve Prob. 16.25 assuming that the initial angular velocity of
the flywheel is 360 rpm clockwise.
200 mm
Fig. P16.25
120 min
160 mm
300 mm-
D

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