506_Dynamics 11ed Manual

506_Dynamics 11ed Manual - m . Solution: m 2 R d = 2 R = m...

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Engineering Mechanics - Dynamics Chapter 17 Problem 17-1 The right circular cone is formed by revolving the shaded area around the x axis. Determine the moment of inertia I x and express the result in terms of the total mass m of the cone. The cone has a constant density ρ . Solution: m 0 h x ρπ rx h 2 d = 1 3 h r 2 = 3 m h π r 2 = I x 3 10 mr 2 = I x 3 m h r 2 0 h x 1 2 rx h 2 rx h 2 d = Problem 17-2 Determine the moment of inertia of the thin ring about the z axis. The ring has a mass
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Unformatted text preview: m . Solution: m 2 R d = 2 R = m 2 R = I z m 2 R 2 R R 2 d = mR 2 = I z mR 2 = Problem 17-3 The solid is formed by revolving the shaded area around the y axis. Determine the radius of gyration k y . The specific weight of the material is . Given: 380 lb ft 3 = a 3 in = b 3 in = 504...
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