Friction

Friction

Assessment

Interactive Video

Physics, Science, Engineering, Other

6th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains friction as a force that slows or stops moving objects. It discusses how friction occurs between all moving objects and provides examples from everyday life, such as cars stopping and balls rolling. The tutorial also covers how friction affects energy, converting mechanical energy into heat. Methods to reduce friction, like using lubricants or reducing surface area, are explained. The importance of friction in daily activities, such as walking or using tools, is highlighted.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does friction play when a car needs to stop?

It accelerates the car.

It makes the car move faster.

It has no effect on the car's movement.

It causes the car to slow down and stop.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does friction affect mechanical energy?

It converts mechanical energy into light energy.

It increases mechanical energy.

It converts mechanical energy into heat energy.

It has no effect on mechanical energy.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we rub our hands together to get warm?

To reduce friction.

To increase mechanical energy.

To convert mechanical energy into heat energy.

To create light energy.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a method to reduce friction?

Adding more weight.

Using a lubricant like oil.

Using rough surfaces.

Increasing surface area.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would happen without friction in our daily lives?

Objects would move without stopping.

We would be able to walk easily.

We could sit in chairs without any issue.

Everything would slip and fall.

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