A bicycle rider would like to compare the effectiveness of cantilever hand brakes [see figure part (a)] versus V brakes [figure part (b)]. (a) Calculate the braking force RB at the wheel rims for each of the bicycle brake systems shown. Assume that all forces act in the plane of the figure and that cable tension T = 45 lbs. Also, what is the average compressive normal stress #c on the brake pad (A 0.625 in2)? (b) For each braking system, what is the stress in the brake cable (assume effective cross-sectional area of 0.00167 in2)

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter1: Tension, Compression, And Shear
Section: Chapter Questions
Problem 1.10.13P: A large precast concrete panel for a warehouse is raised using two sets of cables at two lift lines,...
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A bicycle rider would like to compare the effectiveness of cantilever hand brakes [see figure part (a)] versus V brakes [figure part (b)].

(a) Calculate the braking force RB at the wheel rims for each of the bicycle brake systems shown. Assume that all forces act in the plane of the figure and that cable tension T = 45 lbs. Also, what is the average compressive normal stress #c on the brake pad (A 0.625 in2)?

(b) For each braking system, what is the stress in the brake cable (assume effective cross-sectional area of 0.00167 in2)?

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