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Friction: Crash Course Physics #6

Friction: Crash Course Physics #6

Assessment

Interactive Video

Practice Problem

Hard

Created by

TJ McMahon

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reason you can pick up a cup, without it slipping through your fingers? 

mass

friction

gravity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is friction a force? 

No

Yes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two types of friction (click all that apply)?

Potential

Static

Kinetic

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can kinetic friction often generate? 

sound and light

light and heat

heat and sound

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do you think it is harder to move something against a rougher surface? 

Because more friction is produced

Because it makes the object weigh more

Because there is more gravitational force 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does equilibrium mean? 

the forces on the object are weaker on one side

the forces on the object are stronger on one side

the forces on the object balance out

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you and your friend start to push against a bookcase and it moves, that means you have overcome the ________ friction.

sliding

static

fluid

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