648_Dynamics 11ed Manual

# 648_Dynamics 11ed Manual - coefficient of kinetic friction...

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Engineering Mechanics - Dynamics Chapter 19 Given Tt W b t W b g v B = Tr o r i + () t W w g v G r i W w g k G 2 ω + = v G r i = v B r i r o + () = v G v B T Find v G v B , , T , () = T 4.73 lb = 11.3 rad s = v G 11.3 ft s = v B 34.0 ft s = *Problem 19-24 If the hoop has a weight W and radius r and is thrown onto a rough surface with a velocity v G parallel to the surface, determine the amount of backspin, 0 , it must be given so that it stops spinning at the same instant that its forward velocity is zero. It is not necessary to know the
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Unformatted text preview: coefficient of kinetic friction at A for the calculation. Solution: W g ⎛ ⎝ ⎞ ⎠ v G r W g ⎛ ⎝ ⎞ ⎠ r 2 − = v G r = Problem 19-25 The rectangular plate of weight W is at rest on a smooth horizontal floor. If it is given the horizontal impulses shown, determine its angular velocity and the velocity of the mass center. 646...
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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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