4-59. The coefficient of static friction between the drum and brake bar is = 0.4. If the moment M = 35N-m, determine the smallest force P that needs to be applied to the brake bar in order to prevent the drum from rotating. Also determine the corresponding horizontal and vertical components of reaction at pin O. Neglect the weight and thickness of the brake bar. The drum has a mass of 25 kg.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4-59. The coefficient of static friction between the drum
and brake bar is 4, = 0.4. If the moment M = 35 N-m,
determine the smallest force P that needs to be applied to
the brake bar in order to prevent the drum from rotating.
Also determine the corresponding horizontal and vertical
components of reaction at pin O. Neglect the weight and
thickness of the brake bar. The drum has a mass of 25 kg.
300 mm
-700 mm-
B.
F125 mm
500 mm
P
A
Transcribed Image Text:4-59. The coefficient of static friction between the drum and brake bar is 4, = 0.4. If the moment M = 35 N-m, determine the smallest force P that needs to be applied to the brake bar in order to prevent the drum from rotating. Also determine the corresponding horizontal and vertical components of reaction at pin O. Neglect the weight and thickness of the brake bar. The drum has a mass of 25 kg. 300 mm -700 mm- B. F125 mm 500 mm P A
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