The 80 kg man pushes on the 120 kg crate with a horizontal force F. The coefficients of static and kinetic friction between the crate and the surface are μs = 0.3 and uk = 0.2. The coefficients of static and kinetic friction between the man's and the surface are μs = 0.8 and µk = 0.5. a) Calculate the normal force generated by the surface on the man and the crate. b) Using the information from part a), prove that the man will be able to move the crate c) What is the greatest acceleration the man can give the crate?

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The 80 kg man pushes on the 120 kg crate with a horizontal force F. The coefficients of static and kinetic friction between the crate and the surface are Us = 0.3 and Uk = 0.2. The coefficients of static and kinetic friction between the man and the surface are Us = 0.8 and Uk = 0.5.

a. Calculate the normal force generated by the surface on the man and the crate.

b. Using the information from part a, prove that the man will be able to move the crate

c. what is the greatest acceleration the man can give the crate?

The 80 kg man pushes on the 120 kg crate with a
horizontal force F. The coefficients of static and
kinetic friction between the crate and the surface
are μs = 0.3 and uk = 0.2. The coefficients of static
and kinetic friction between the man's and the
surface are μs = 0.8 and µk = 0.5.
a) Calculate the normal force generated by
the surface on the man and the crate.
b) Using the information from part a), prove that the man will be able to move the crate
c) What is the greatest acceleration the man can give the crate?
Transcribed Image Text:The 80 kg man pushes on the 120 kg crate with a horizontal force F. The coefficients of static and kinetic friction between the crate and the surface are μs = 0.3 and uk = 0.2. The coefficients of static and kinetic friction between the man's and the surface are μs = 0.8 and µk = 0.5. a) Calculate the normal force generated by the surface on the man and the crate. b) Using the information from part a), prove that the man will be able to move the crate c) What is the greatest acceleration the man can give the crate?
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