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The following data refer to an internal expanding shoe brake shown in Fig. 15.16: Force F on each shoe 180 N Coefficient of friction, µ = 0.3 %3D Internal radius of the brake drum, r = 150 mm Width of the brake lining, w = 40 mm Distance: a = 200 mm c = 120 mm Angles: 4, = 30° Determine the bracking torque applied when the drum rotates (i) counter-clockwise, and (ii) clockwise. P2 = 135°

The following data refer to an internal expanding shoe brake shown in Fig. 15.16: Force F on each shoe 180 N Coefficient of friction, µ = 0.3 %3D Internal radius of the brake drum, r = 150 mm Width of the brake lining, w = 40 mm Distance: a = 200 mm c = 120 mm Angles: 4, = 30° Determine the bracking torque applied when the drum rotates (i) counter-clockwise, and (ii) clockwise. P2 = 135°

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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The following data refer to an internal expanding shoe brake shown in Fig. 15.16: Force F on each shoe 180 N Coefficient of friction, µ = 0.3 %3D Internal radius of the brake drum, r = 150 mm Width of the brake lining, w = 40 mm Distance: a = 200 mm c = 120 mm Angles: 4, = 30° Determine the bracking torque applied when the drum rotates (i) counter-clockwise, and (ii) clockwise. P2 = 135°
Transcribed Image Text:The following data refer to an internal expanding shoe brake shown in Fig. 15.16: Force F on each shoe 180 N Coefficient of friction, µ = 0.3 %3D Internal radius of the brake drum, r = 150 mm Width of the brake lining, w = 40 mm Distance: a = 200 mm c = 120 mm Angles: 4, = 30° Determine the bracking torque applied when the drum rotates (i) counter-clockwise, and (ii) clockwise. P2 = 135°
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