The lift-tong mechanism shown consists of twin four-bar linkages and is used to lift a 40-kg machine

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The lift-tong mechanism shown consists of twin four-bar linkages and is used to lift a 40-kg machine component. Knowing that LAB = 36 mm, determine the smallest allowable value of the coefficient of static friction between the component and the gripping pads when
(a) α = 0,
(b) α =30°.



The lift-tong mechanism shown consists of twin four-bar linkages

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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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