306_Dynamics 11ed Manual

306_Dynamics 11ed Manual - onto a sample of urethane foam...

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Engineering Mechanics - Dynamics Chapter 15 Solution: Guesses v 2 20 m s = Imp x 1Ns = Imp y 10 N s = Given 1 2 Mv 2 sin θ () () 2 Mgh = M v 1 Imp x + Mv 2 cos () = 0 Imp y + Mv 2 sin () = v 2 Imp x Imp y Find v 2 Imp x , Imp y , () = v 2 36.2 m s = Imp x Imp y 21.2 12.5 Ns = Imp x Imp y 24.7 N s = Problem 15-5 The choice of a seating material for moving vehicles depends upon its ability to resist shock and vibration. From the data shown in the graphs, determine the impulses created by a falling weight
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Unformatted text preview: onto a sample of urethane foam and CONFOR foam. Units Used: ms 10 3 s = Given: F 1 0.3 N = t 1 2 ms = F 2 0.4 N = t 2 4 ms = F 3 0.5 N = t 3 7 ms = F 4 0.8 N = t 4 10 ms = F 5 1.2 N = t 5 14 ms = Solution: CONFOR foam: I c 1 2 t 1 F 3 1 2 F 3 F 4 + ( ) t 3 t 1 ( ) + 1 2 F 4 t 5 t 3 ( ) + = I c 6.55 N ms = 304...
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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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