Friction

Front

Why is it difficult to walk on an oily floor?

Back

Force of friction is very less

Front

Friction is a force that acts in an ___________ direction of movement.

Back

opposite

Front

The rougher the surface, the faster an object will travel over the surface.

Back

False

Front

Which of the following is an example of friction that is helpful? Options: Brakes used on a bike, Tires from a car on the road, Tread on the bottom of your shoes.

Back

All are examples that are helpful

Front

Rougher surfaces have ...

Back

greater friction

Front

What happens when we rub our hands together?

Back

All of the above: frictional force works between them, energy is released, our hands become warm.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Front

What does friction produce?

Back

heat

Front

How do you lower the friction force?

Back

By a smooth surface

Front

On which surface will a toy car travel the furthest? Options: Carpet, Polished Wood, Ice

Back

Ice

Front

You can walk because there is friction between your __________ and ______________

Back

feet and ground