The arm AB of length 5 m is used to provide an elevated platform for construction workers.

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The arm AB of length 5 m is used to provide an elevated platform for construction workers. In the position shown, arm AB is being raised at the constant rate dθ/dt = 0.25 rad/s; simultaneously, the unit is being rotated counterclockwise about the Y axis at the constant rate ω1 = 0.15 rad/s. Knowing that θ = 20?, determine the velocity and acceleration of point B.

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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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