723_Dynamics 11ed Manual

723_Dynamics 11ed Manual - The bent rod has weight density...

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Engineering Mechanics - Dynamics Chapter 21 *Problem 21-12 Determine the moment of inertia of the cone about the z' axis. The weight of the cone is W , the height is h , and the radius is r . Given: W 15 lb = h 1.5 ft = r 0.5 ft = g 32.2 ft s 2 = Solution: θ atan r h = I x 3 80 W 4 r 2 h 2 + () W 3 h 4 2 + = I y I x = I z 3 10 Wr 2 = I z' I x sin () 2 I z cos () 2 + = I z' 0.0962 slug ft 2 = Problem 21-13
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Unformatted text preview: The bent rod has weight density . Locate the center of gravity G ( x' , y' ) and determine the principal moments of inertia I x' , I y' , and I z' of the rod with respect to the x' , y' , z' axes. Given: 1.5 lb ft = a 1 ft = b 1 ft = g 32.2 ft s 2 = 721...
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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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