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I am looking for some help drawing an labeling the free body diagram for this pr

ID: 1858536 • Letter: I

Question

I am looking for some help drawing an labeling the free body diagram for this problem. Please no answers that aren't directly related to the picture below.

Develope an equation relating the braking force at B to the cable tension T and brake geometry. Include a free body diagram and equations of equilibrium. Below is a link to the picture. Please no explanations on how to make a free body diagram, I understand how. I am just confused how to start the probelm, where moments are, where forces are, equations of equilibrium, etc. Thank you!!

http://tinypic.com/r/fkcxnb/5

Explanation / Answer

To know how to start, Refr this link:
http://www.iitg.ernet.in/engfac/ganu/public_html/LECTURE-DYNAMICS.pdf