Q20. The 74-kg man pushes on the 134-kg crate with a horizontal force F. If the coefficient of kinetic friction between the crate and the surface is k = 0.12, and the coefficient of static friction between the man's shoes and the surface is μ = 0.85, what is the greatest acceleration (in m/s²) the man can give the crate? Hint, this is when the man himself is on the verge of slipping. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Take g = 9.81 m/s².
Q20. The 74-kg man pushes on the 134-kg crate with a horizontal force F. If the coefficient of kinetic friction between the crate and the surface is k = 0.12, and the coefficient of static friction between the man's shoes and the surface is μ = 0.85, what is the greatest acceleration (in m/s²) the man can give the crate? Hint, this is when the man himself is on the verge of slipping. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Take g = 9.81 m/s².
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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Transcribed Image Text:Q20. The 74-kg man pushes on the 134-kg crate with a horizontal force F. If the coefficient of kinetic friction between the crate
and the surface is k = 0.12, and the coefficient of static friction between the man's shoes and the surface is με = 0.85, what is the
greatest acceleration (in m/s²) the man can give the crate? Hint, this is when the man himself is on the verge of slipping. Please pay
attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Take g =
9.81 m/s².
Answer:
▬▬▬▬▬▬▬▬▬▬
Expert Solution
Step 1
Given that:
Mass of the man is 74 kg
Mass of the crate is 134 kg
Coefficient of kinetic friction between the crate and the surface is 0.12
Coefficient of static friction between the man's shoe and the surface is 0.85
It is required to determine the greatest acceleration that the man can give to the crate.
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