809_Dynamics 11ed Manual

809_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 22 τ 2 π ω n = 2 m 3 k = Problem 22-31 Determine the differential equation of motion of the block of mass M when it is displaced slightly and released. The surface is smooth and the springs are originally unstretched. Given: M 3kg = k 500 N m = Solution: TV + 1 2 Mx' 2 2 1 2 kx 2 + = M x'' 2 + 0 = x'' 2 k M x + 0 = b 2 k M = x'' bx + 0 = b 333 rad s 2 = *Problem 22-32 Determine the natural period of vibration of the semicircular disk of weight W . Given: W 10 lb = r 0.5 ft = Solution: + 1 2
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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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