8-26. The refrigerator has a weight of 180 lb and rests on a tile floor for which us = 0.25. If the man pushes horizontally on the refrigerator in the direction shown, determine the smallest magnitude of horizontal force needed to move it. Also, if the man has a weight of 150 lb, %3D determine the smallest coefficient of friction between his shoes and the floor so that he does not slip.

8-26. The refrigerator has a weight of 180 lb and rests on a tile floor for which us = 0.25. If the man pushes horizontally on the refrigerator in the direction shown, determine the smallest magnitude of horizontal force needed to move it. Also, if the man has a weight of 150 lb, %3D determine the smallest coefficient of friction between his shoes and the floor so that he does not slip.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.54P: The single-threaded screw of the floor jack has a pitch of 0.5 in. and a mean radius of 1.75 in. The...

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