688_Dynamics 11ed Manual

688_Dynamics 11ed Manual - Problem 20-21 If the collar at A...

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Engineering Mechanics - Dynamics Chapter 20 Given: v A 8 ft s = b 6f t = a 3f t = c 2f t = Solution: Guesses v B 1 ft s = ω x 1 s = ω y 1 s = ω z 1 rad s = Given 0 0 v A ω ω y ω z c b a × + v B 0 0 ω ω y ω z c b a 0 ft s v ω ω y ω z v B x , y , ω z , = ω ω y ω z = ω 0.980 1.061 1.469 rad s = v B 12
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Unformatted text preview: Problem 20-21 If the collar at A is moving downward with an acceleration a A , at the instant its speed is v A , determine the acceleration of the collar at B at this instant. Given: v A 8 ft s = a 3 ft = c 2 ft = 686...
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