The brake pads at C and D are pressed against the cylinder by the spring BF. The coefficient of static friction betwveen each pad and the cylinder is 0.15. Find the smallest tension in the spring that would prevent the cylinder from rotating when the clockwise couple M = 248.6 N • m is applied. Neglect the weights of the members. Dimensions in mm.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.8P: The brake pads at C and D are pressed against the cylinder by the spring BF. The coefficient of...
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The brake pads at C and D are pressed against the cylinder by the spring BF. The coefficient of
static friction between each pad and the cylinder is 0.15. Find the smallest tension in the spring
that would prevent the cylinder from rotating when the clockwise couple M = 248.6 N• m is
applied. Neglect the weights of the members. Dimensions in mm.
Figure P 7.8 Answer: 287 lb.
Dimensions
in mm
305
102
102
127
203
Transcribed Image Text:The brake pads at C and D are pressed against the cylinder by the spring BF. The coefficient of static friction between each pad and the cylinder is 0.15. Find the smallest tension in the spring that would prevent the cylinder from rotating when the clockwise couple M = 248.6 N• m is applied. Neglect the weights of the members. Dimensions in mm. Figure P 7.8 Answer: 287 lb. Dimensions in mm 305 102 102 127 203
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