120_Dynamics 11ed Manual

120_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 12 Solution: Guess r 1m = r' 1 m s = θ ' 1 rad s = φ 20 deg = ' 2 rad s = Given r sin () b sin = r' sin r cos ' + b cos ' = r cos ab cos + = r' cos r sin ' b sin ' = v B b ' = r r' ' ' Find rr ' , ' , , ' , = r 34.641 m = r' 15 m s = 60deg = ' 1.5 rad s = ' 0.75 rad s = * Problem 12-168 The pin follows the path described by the equation r = a + b cos . At the instant = 1 . the angular velocity and angular acceleration are ' and '' . Determine the magnitudes of the pin’s velocity and acceleration at this instant. Neglect the size of the pin.
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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