(a) A force F pushes on a 25kg box as shown in the figure. The coefficient of static friction between bax and indine is us = 0.20. How large a F 25 kg horizontal force must push on the block if the 40° block is to be on the verge of sliding up the incline? 40

(a) A force F pushes on a 25kg box as shown in the figure. The coefficient of static friction between bax and indine is us = 0.20. How large a F 25 kg horizontal force must push on the block if the 40° block is to be on the verge of sliding up the incline? 40

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 7.3P: Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair...

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Question

(a) A force F pushes on a 25kg box as shown in the
figure. The coefficient of static friction between
bax and indine is us = 0.20. How large a
F
25 kg
horizontal force must push on the block if the
40°
block is to be on the verge of sliding up the
incline?
40

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