The parallel-link mechanism ABCD is used to transport a component I between manufacturing processes at stations E,
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The parallel-link mechanism ABCD is used to transport a component I between manufacturing processes at stations E, F, and G by picking it up at a station when ( = 0 and depositing it at the next station when ( = 180o. Knowing that member BC remains horizontal throughout its motion and that links AB and CD rotate at a constant rate in a vertical plane in such a way that vB = 2.2 ft/s, determine
(a) The minimum value of the coefficient of static friction between the component and BC if the component is not to slide on BC while being transferred,
(b) The values of ( for which sliding is impending.
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Related Book For 
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073398242
11th edition
Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self
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