Friction

Front

There is ______ friction on a smooth surface.

Back

less

Front

Friction is the _____ between two objects.

Back

force

Front

Friction moves in the ______ direction of the object moving.

Back

opposite

Front

What will happen to the friction when an item moves on a rough surface?

Back

It will increase.

Front

When is having less friction useful? Options: walking, driving, ice skating, climbing

Back

ice skating

Front

How does friction affect speed?

Back

More friction decreases speed.

Tags

NGSS.MS-PS3-5

Front

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

Back

False

Front

What does friction produce?

Back

heat

Tags

NGSS.MS-PS3-5

Front

We use oil to _____ the friction between the moving parts inside a car engine.

Back

reduce

Front

What would happen if you polished a wooden floor?

Back

Friction would be decreased and the floor would be slippery.