6. The figure shows three crates being pushed over a concretefloor by a horizontal force F of magnitude 440 N. The massesof the crates are m₁ = 30.0 kg, m₂ = 10.0 kg, and m3 = 20.0 kg.The coefficient of kinetic friction between the floor and theeach of the crates is 0.700.Fmym₂m3 b) What are the magnitude and direction of F32, the force on crate 3 from crate 2?c) What are the magnitude and direction of F23, the force on crate 2 from crate 3?d) If the crates then slide onto a polished floor, where the coefficient of kinetic friction isless than 0.700, is the magnitude of F32 more than, less than or the same as it was whenthe coefficient was 0.700? Explain how you know.

Answered: Image /qna-images/answer/c9133245-258d-48f9-8066-7a05c37d3715.jpg

6. The figure shows three crates being pushed over a concrete floor by a horizontal force F of magnitude 440 N. The masses of the crates are m₁ = 30.0 kg, m₂ = 10.0 kg, and m3 = 20.0 kg. The coefficient of kinetic friction between the floor and the each of the crates is 0.700. F m₁ m₂ m3

6. The figure shows three crates being pushed over a concrete floor by a horizontal force F of magnitude 440 N. The masses of the crates are m₁ = 30.0 kg, m₂ = 10.0 kg, and m3 = 20.0 kg. The coefficient of kinetic friction between the floor and the each of the crates is 0.700. F m₁ m₂ m3

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 7.72P

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Question

6. The figure shows three crates being pushed over a concrete
floor by a horizontal force F of magnitude 440 N. The masses
of the crates are m₁ = 30.0 kg, m₂ = 10.0 kg, and m3 = 20.0 kg.
The coefficient of kinetic friction between the floor and the
each of the crates is 0.700.
F
my
m₂
m3

b) What are the magnitude and direction of F32, the force on crate 3 from crate 2?
c) What are the magnitude and direction of F23, the force on crate 2 from crate 3?
d) If the crates then slide onto a polished floor, where the coefficient of kinetic friction is
less than 0.700, is the magnitude of F32 more than, less than or the same as it was when
the coefficient was 0.700? Explain how you know.

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