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Problem 3 (Dimensions in mm.) The shoes on the brake depicted in the figure subtend a 90° arc on the drum of this external pivoted-shoe brake. The actuation force P is applied to the lever. The rotation direction of the drum is Counterclockwise, and the coefficient of friction is 0.30. (a) Draw the free-body diagrams of the handle ever and both shoe levers, with forces expressed in erms of the actuation force P. (b) Does the direction of rotation of the drum affect the braking torque? 390 200 Shoe 340 -380 75 160

Problem 3 (Dimensions in mm.) The shoes on the brake depicted in the figure subtend a 90° arc on the drum of this external pivoted-shoe brake. The actuation force P is applied to the lever. The rotation direction of the drum is Counterclockwise, and the coefficient of friction is 0.30. (a) Draw the free-body diagrams of the handle ever and both shoe levers, with forces expressed in erms of the actuation force P. (b) Does the direction of rotation of the drum affect the braking torque? 390 200 Shoe 340 -380 75 160

Elements Of Electromagnetics
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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Problem 3 (Dimensions in mm.) The shoes on the brake depicted in the figure subtend a 90° arc on the drum of this external pivoted-shoe brake. The actuation force P is applied to the lever. The rotation direction of the drum is counterclockwise, and the coefficient of friction is 0.30. (a) Draw the free-body diagrams of the handle lever and both shoe levers, with forces expressed in terms of the actuation force P. (b) Does the direction of rotation of the drum affect the braking torque? 390 200 Shoe 340 -380- 75 160
Transcribed Image Text:Problem 3 (Dimensions in mm.) The shoes on the brake depicted in the figure subtend a 90° arc on the drum of this external pivoted-shoe brake. The actuation force P is applied to the lever. The rotation direction of the drum is counterclockwise, and the coefficient of friction is 0.30. (a) Draw the free-body diagrams of the handle lever and both shoe levers, with forces expressed in terms of the actuation force P. (b) Does the direction of rotation of the drum affect the braking torque? 390 200 Shoe 340 -380- 75 160
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