The drum brake shown permits clockwise rotation of the drum but prevents rotation in the counterclockwise direction.

Question:

The drum brake shown permits clockwise rotation of the drum but prevents rotation in the counterclockwise direction. Knowing that the maximum allowed tension in the belt is 7.2kN, determine

(a) The magnitude of the largest counterclockwise couple that can be applied to the drum,

(b) The smallest value of the coefficient of static friction between the belt and the drum for which the drum will not rotate counterclockwise.

r= 100 mm 25 mm 60° 62.5 mm 60°

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Vector Mechanics For Engineers Statics

ISBN: 9780072931105

7th Edition

Authors: R.C.Hibbeler

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Question Posted: Oct 09, 2010 02:52 AM

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The drum brake shown permits clockwise rotation of the drum but prevents rotation in the counterclockwise direction.

Question:

r= 100 mm 25 mm 60° 62.5 mm 60°

Step by Step Answer:

FBD lever IA Bx B 25mm 1625mm EMB 0 25mm Tc 625 mmT 0 Tc 25TA ...View the full answer

Vector Mechanics For Engineers Statics

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