HW18-S07

HW18-S07 - x G y G location of the center of mass for the...

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AEM 264-003/901 Homework #18 4/9/07 Due: Friday, 4/13/07 The six-step solution method, correct units and a reasonable number of significant digits (generally 3 or 4) are required for every problem solved in every homework assignment in this section of AEM 264. 1. A machine component with a uniform thickness of 0.75 inches is shown below. The component is made of aluminum which has a specific weight of 0.10 lb/in 3 . Determine the center of mass and the mass moment of inertia for the component about the Z axis at the center of mass . Express I ZZ,G in units of lb-ft-s 2 and kg-m 2 . 0.50in 1.00in 2.00in 7.00in 2.00in X Y 2. A composite body is made up of a rectangular plate ( W 1 =10lb ) and a triangular plate ( W 2 =5lb ) as shown. Find the
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Unformatted text preview: x G , y G location of the center of mass for the composite body • Find the mass moment of inertia I ZZ,G for the composite body about its center of mass (units of lb-ft-s 2 and kg-m 2 ) • Find the mass moment of inertia I ZZ,O for the composite body about the origin x=0, y=0 (units of lb-ft-s 2 and kg-m 2 ) 1.6 ft 2.8 ft 2.8 ft x y 3. A machine component with a uniform thickness of 4.0 cm is shown below. The component is made of steel (density of steel is ρ =0.0078 kg/cm 3 ). Determine the center of mass and the mass moment of inertia about the Z axis at the center of mass . Express I ZZ,G in units of kg-m 2 and lb-ft-sec 2 . 5.0 cm 12.0 cm 2.5 cm 9.0 cm 3.5 cm dia X Y G...
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This note was uploaded on 04/08/2008 for the course AEM 264 taught by Professor Parkermcinerny during the Spring '08 term at Alabama.

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