Forces & Friction

A _____________ is a push or pull on an object.

• friction

• force

• gravity

• magnet

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If these teams are pulling with the SAME amount of force, what will happen?

• The girl in green will win.

• The boy in blue will win.

• Both teams will fall down.

• The teams will not move at all.

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What force ultimately slows the roller coaster to a stop?

• Magnetic

• Applied

• Normal

• Friction

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Wheels on a skateboard most likely experiences...

• rolling friction

• sliding friction

• fluid friction

• static friction

Sally experiences...

• rolling friction

• static friction

• fluid friction

• sliding friction

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Swimming fist experience...

• sliding friction

• fluid friction

• rolling friction

• static friction

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Which of the following is an example of friction that is helpful?

• Tires from a car on the road.

• Tread on the bottom of your shoes.

• Brakes used on a bike.

• All are examples that are helpful.

Push or pull acting upon any object as a result of an interaction is...

• force

• none

• weight

• mass

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Which of the following is NOT the effect of force?

• Force can stop a moving object.

• Force can change the mass of an object.

• Force can change the size of an object.

• Force can change the shape of an object.

If heavy objects are made to roll, ___________ friction comes into play.

• static

• rolling

• kinetic

• sliding