Problem 2.45 - Problem 2.45 Given: Block pulled up incline...

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Problem 2.45 [Difficulty: 2] Given: Block pulled up incline on oil layer Find: Force required to pull the block f θ N x x U y d W Solution: Governing equations: τ yx μ du dy = Σ F x Ma x = Assumptions: Laminar flow The given data is W 10 lbf = U2 ft s = w1 0 i n = d 0.001 in = θ 25 deg = μ 3.7 10 2 × Ns m 2 = Fig. A.2 @100 o F (38 o C) Equation of motion Σ F x x = 0 = s o Ff W sin θ () 0 = The friction force is f τ yx A = μ du
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.

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