517_Dynamics 11ed Manual

517_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 17 Problem 17-23 The pendulum consists of two slender rods AB and OC which have a mass density ρ 1 . The thin plate has a mass density 2 . Determine the location y' of the center of mass G of the pendulum, then calculate the moment of inertia of the pendulum about an axis perpendicular to the page and passing through G . Given: 1 3 kg m = a 0.4 m = c 0.1 m = 2 12 kg m 2 = b 1.5 m = r 0.3 m = Solution: y' 1 b b 2 2 π r 2 c 2 () br + + 1 b 2 a + 2 r 2 c 2 + = y' 0.888 m = I O 1 12 1 2 a 3 1 3 1 b 3 + 2 2 r 4 + 2 r 2 rb + 2 + 2 2 c 4 2 c 2 + 2 + = I G I O 1 2 ab + 2 r 2 c 2 + y' 2 = I G 5.61 kg m 2 = *Problem 17-24 Determine the greatest possible acceleration of the race car of mass
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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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