AnswersMad 2017 Phy Sci B -33 SSFriction

Friction Answers

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Which of these statements describe friction? Check all that apply.Friction allows objects to slide over each other without any resistance.Friction resists motion.Friction is a force that acts from a distance.Friction is a contact force.Friction is caused by microscopic bumps and ridges on surfaces.

A
Friction allows objects to slide over each other without any resistance.
B
Friction resists motion.
C
Friction is a force that acts from a distance.
D
Friction is a contact force.
E
Friction is caused by microscopic bumps and ridges on surfaces.
2
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N to the

A
12
B
15
C
18
D
42
3

N to the

A
left
B
right
4

What would be a good reason to increase friction between surfaces?

A
to allow objects to slide past each other easily to reduce wear and tear
B
to provide traction so that slipping does not occur
C
to avoid contact that results in increased temperature and overheating
5

N

A
–12
B
–3
C
3
D
12

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Friction Answers — Mad 2017 Phy Sci B -33 SS