A connecting rod is supported by a knife-edge at Point A. For small oscillations the angular acceleration

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A connecting rod is supported by a knife-edge at Point A. For small oscillations the angular acceleration of the connecting rod is governed by the relation α = −6θ where α is expressed in rad/s2 and θ in radians. Knowing that the connecting rod is released from rest when θ = 20°, determine 

(a) The maximum angular velocity, 

(b) The angular position when t = 2s.

B
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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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