A 400-N cabinet is being pushed by a man on a concrete floor with a coefficient of static friction of 0.37 and a coefficient of kinetic friction of 0.12. He exerts a force, F, of 100 N at an angle of θ = 20° on the cabinet. Determine: i. The normal force, N (draw the FBD) ii. The characteristic of friction or the state of motion (static or kinetic) iii. The value of the actual friction force, Ff (show the equations of equilibrium) iv. The value of F if the motion is impending (show the equations of equilibrium)
A 400-N cabinet is being pushed by a man on a concrete floor with a coefficient of static friction of 0.37 and a coefficient of kinetic friction of 0.12. He exerts a force, F, of 100 N at an angle of θ = 20° on the cabinet. Determine: i. The normal force, N (draw the FBD) ii. The characteristic of friction or the state of motion (static or kinetic) iii. The value of the actual friction force, Ff (show the equations of equilibrium) iv. The value of F if the motion is impending (show the equations of equilibrium)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A 400-N cabinet is being pushed by a man on a concrete floor with a coefficient of
static friction of 0.37 and a coefficient of kinetic friction of 0.12. He exerts a force, F, of
100 N at an angle of θ = 20° on the cabinet.
Determine:
i. The normal force, N (draw the FBD)
ii. The characteristic of friction or the state of motion (static or kinetic)
iii. The value of the actual friction force, Ff (show the equations of equilibrium)
iv. The value of F if the motion is impending (show the equations of equilibrium)
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