533_Dynamics 11ed Manual

533_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 17 N A N B F A Find N A N B , F A , () = N A N B 962 938 lb = F A 346lb = F max μ s N A = F max 385lb = Check: Our no-slip assumption is true if F A = < F max = Problem 17-41 Block A has weight W 1 and the platform has weight W 2 . Determine the normal force exerted by block A on B . Neglect the weight of the pulleys and bars of the triangular frame. Given: W 1 50 lb = W 2 10 lb = P 100 lb = Solution: PW 1 W 2 + W 1 W 2 + g a G = a G g P 1 W 1 1 W 2 W 1 W 2 + = a G 21.47 ft s 2 = Guesses R 25 lb =
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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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