Friction

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it rubs against another surface.

Front

How does friction affect speed?

Back

More friction decreases speed.

Front

What does friction produce?

Back

Friction produces heat.

Front

What is a rubbing force?

Back

A rubbing force is another way to describe friction.

Front

What happens when surfaces are rough?

Back

Rougher surfaces have greater friction.

Front

What direction does friction act in relation to movement?

Back

Friction acts in the opposite direction of movement.

Front

What is an example of friction?

Back

When you slide your hand across a table, friction slows it down.

Front

What happens with less friction?

Back

Less friction allows objects to move faster.

Front

Can friction create heat?

Back

Yes, friction can create heat when two surfaces rub together.

Front

What is an example of a surface with low friction?

Back

Ice is an example of a surface with low friction.