A thin sheet of fiberboard weighs 90 N and lies on a rooftop, as shown in the

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A thin sheet of fiberboard weighs 90 N and lies on a rooftop, as shown in the figure. Assume ambient air at 20°C and 1 atm. If the coefficient of solid friction between board and roof is σ = 0.12, what wind velocity will generate enough friction to dislodge the board?

A thin sheet of fiberboard weighs 90 N
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Shigleys Mechanical Engineering Design

ISBN: 978-1121345317

9th edition

Authors: Richard G. Budynas, J. Keith Nisbett

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