hculp870 hculp870

21-11-2022
Physics

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a uniform 4.0-m plank weighing 200.0 n rests against the corner of a wall, as shown below. there is no friction at the point where the plank meets the corner. (a) find the forces that the corner and the floor exert on the plank. (b) what is the minimum coefficient of static friction between the floor and the plank to prevent the plank from slipping?

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