A homogeneous disk of radius 9 in. is welded to a rod AG of length 18 in.
Question:
A homogeneous disk of radius 9 in. is welded to a rod AG of length 18 in. and of negligible weight which is connected by a clevis to a vertical shaft AB. The rod and disk can rotate freely about a horizontal axis AC, and shaft AB can rotate freely about a vertical axis. Initially rod AG is horizontal (θ0 = 90?) and has no angular velocity about AC. Knowing that the maximum value φm of the angular velocity of shaft AB in the ensuing motion is twice its initial value φ0, determine
(a) The minimum value of θ,
(b) The initial angular velocity φ0 of shaft AB.
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Related Book For 
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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