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The connected bar BC is used to increase the lever arm of the crescent wrench as shown. If a clockwise moment of MA =
The connected bar BC is used to increase the lever arm of the crescent wrench as shown. If a clockwise moment of MA = 100 N m is needed to tighten the nut at A and the extensiond = 235 mm, determine the required force F %3D 33 200 mm in order to develop this moment. A Question 1.1 Calculate the magnitude of force F by finding the moment arm D (# d) of F about A and using MA = FD. Expected answer: 360.8 Moment arm, D = 353.0 mm Expected answer: 277.1 Force, F = 285.8 N
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Vector Mechanics for Engineers Statics and Dynamics
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
8th Edition
73212229, 978-0073212227
