Friction

Front

What is the unit called that measures force?

Back

Newton

Front

Which of these does friction produce? light, sound, heat, gravity

Back

heat

Front

What direction does friction act relative to motion?

Back

in the opposite direction 

Front

How does friction affect speed?

Back

More friction decreases speed.

Front

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

Back

False

Front

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

Back

opposite

Front

When there is friction, the energy of an object's motion is converted into _______ energy.

Back

heat

Front

A puck slides along an icy surface. What makes it slow down?

Back

It rubs against the ice

Front

Rougher surfaces have ...

Back

greater friction

Front

What are the 2 types of friction discussed in the video?

Back

Kinetic and Static Friction