142_Problem CHAPTER 9

142_Problem CHAPTER - PROBLEM 9.117 The rhombus shown has a mass m and was cut from a thin uniform plate Determine the mass moment of inertia of

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PROBLEM 9.117 The rhombus shown has a mass m and was cut from a thin, uniform plate. Determine the mass moment of inertia of the rhombus with respect to ( a ) the x axis, ( b ) the y axis. SOLUTION First note 1 22 2 2 A ab a b  × =   and or 2 m mt A t ab ρρ == Now () ( ) 3 , area 1 12 DD I = 3 1 3 ab = Then , mass , area DD DD It I ρ ′′ = 32 11 23 6 m ab mb ab ( a ) ( ) 3 3 , area 12 3 x I ba a b    Then 3 , mass , area 1 xx m I tI a b
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.

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