546_Dynamics 11ed Manual

546_Dynamics 11ed Manual - Given 4 rad s = W 10 lb = a 6 ft...

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Engineering Mechanics - Dynamics Chapter 17 Given: m b 2kg = I O 0.18 kg m 2 = A 3Nm = b 0.2 s 1 = t 1 4s = Solution: A 1 e bt () I O α = A I O 1 e bt 1 () = ω A I O t 1 1 b + 1 b e bt 1 = 20.8 rad s = *Problem 17-56 The rod of weight W is pin-connected to its support at A and has an angular velocity when it is in the horizontal position shown. Determine its angular acceleration and the horizontal and vertical components of reaction which the pin exerts on the rod at this instant.
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Unformatted text preview: Given: 4 rad s = W 10 lb = a 6 ft = g 32.2 ft s 2 = Solution: A x W g ⎛ ⎝ ⎞ ⎠ 2 a 2 ⎛ ⎝ ⎞ ⎠ = A x 14.9 lb = W a 2 1 3 W g ⎛ ⎝ ⎞ ⎠ a 2 = 3 2 a g = 8.05 rad s 2 = W A y − W g ⎛ ⎝ ⎞ ⎠ a 2 ⎛ ⎝ ⎞ ⎠ = A y W W g ⎛ ⎝ ⎞ ⎠ a 2 ⎛ ⎝ ⎞ ⎠ − = A y 2.50 lb = 544...
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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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