
0.1 List the causes of friction
Authored by Tyler Yates
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University
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary cause of friction between two surfaces?
Surface roughness
Temperature difference
Elasticity
Magnetic forces
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor contributes to the increase in friction when two surfaces are pressed together with greater force?
Lubrication
Normal force
Velocity
Inclination
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an object is sliding on a surface, what type of friction opposes its motion?
Static friction
Dynamic friction
Rolling friction
Fluid friction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does the nature of the materials in contact play in determining friction?
It has no effect on friction
It influences the type and magnitude of friction
It decreases friction
It only affects static friction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the force required to initiate the motion of an object at rest?
Kinetic friction
Rolling friction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of friction occurs when an object rolls over a surface?
Static friction
Dynamic friction
Rolling friction
Fluid friction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does the application of a lubricant have on friction between two surfaces?
Increases friction
Has no effect on friction
Decreases friction
Converts static friction to dynamic friction
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