A 90-lb package is at rest on an incline when a constant force P is applied to
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A 90-lb package is at rest on an incline when a constant force P is applied to it. The coefficient of kinetic friction between the package and the incline is 0.35. Knowing that the speed of the package is 2 ft/s after it has moved 3 ft up the incline, determine the magnitude of the force P.
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30° P 20⁰
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Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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