A block of weight W slides down an inclined plane while lubricated by a thin fi lm of
Chapter 1, Problem p1.45(choose chapter or problem)
A block of weight W slides down an inclined plane while lubricated by a thin fi lm of oil, as in Fig. P1.45. The fi lm contact area is A and its thickness is h . Assuming a linear velocity distribution in the fi lm, derive an expression for the terminal (zero-acceleration) velocity V of the block. Find the terminal velocity of the block if the block mass is 6 kg, A 5 35 cm 2 , 5 15 8 , and the fi lm is 1-mm-thick SAE 30 oil at 20 8 C. P1.45 L
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