Front

What is the unit called that measures force? Options: weight, meter, Newton, kilogram

Back

Newton

Front

What does friction produce? Options: light, sound, heat, gravity

Back

heat

Front

The force that acts in the opposite direction of motion when two surfaces come in contact.

Back

Friction

Front

What direction does friction act relative to motion?

Back

in the opposite direction

Front

True or False: objects that are smooth have LESS friction than objects that are rough

Back

TRUE

Front

Which force pulls you down when you jump out of an airplane?

Back

Gravity

Front

When you go down a slide, which two forces are competing in a tug of war?

Back

Gravity and Sliding Friction

Front

Which of these materials would have the MOST amount of friction? Options: Metal, Tile, Sand Paper, Denim

Back

Sand Paper

Front

How does friction affect speed?

Back

More friction decreases speed.

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