1. A 300 lbm block is initially at rest on a flat surface that is inclined at 30 deg. If the coefficient of kinetic friction is 0.3, and the coefficient of static friction is 0.4, find the minimum force which is required TO START the block moving up the plane in lbf.

College Physics
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ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter5: Further Applications Of Newton's Laws: Friction, Drag, And Elasticity
Section: Chapter Questions
Problem 9PE: Show that the acceleration of any object down an incline where friction behaves simply (that is,...
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1. A 300 lbm block is initially at rest on a flat surface that is inclined at 30 deg. If the
coefficient of kinetic friction is 0.3, and the coefficient of static friction is 0.4, find the
minimum force which is required TO START the block moving up the plane in lbf.
Transcribed Image Text:1. A 300 lbm block is initially at rest on a flat surface that is inclined at 30 deg. If the coefficient of kinetic friction is 0.3, and the coefficient of static friction is 0.4, find the minimum force which is required TO START the block moving up the plane in lbf.
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