Questions
UCIC 202503 PHYS101 Quiz 2
Single choice
What does a coefficient of friction depend on? What does a coefficient of friction not depend on?
Options
A.a. It depends on the contact surfaces, it does not depend on the area of contact
B.b. It depends on the object’s weight, it does not depend on the object’s size
C.c. It depends on the object’s size, it does not depend on the object’s weight
D.d. It depends on the area of contact, it does not depend on the surfaces
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Step-by-Step Analysis
To approach this question, I’ll evaluate what the coefficient of friction (mu) actually depends on and what it does not depend on.
Option a: 'It depends on the contact surfaces, it does not depend on the area of contact.' This is correct in physics: mu is determined by the materials and surface textures in contact, not by how large the contact patch is. The frictional force ......Login to view full explanationLog in for full answers
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