Big Idea 13 Forces and Changes in Motion

What are some forces that affect motion? (select all that apply)

• push

• pull

• gravity

• friction

• magnetism

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What is the force of two objects rubbing together?

• friction

• magnetism

• push

• pull

Which force will cause an object to move away from a person/object?

• a push

• a pull

• a magnet

• friction

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Which force will cause an object to move toward a person/object?

• a pull

• a push

• magnetism

• air resistance

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What is the name of the force that can attract and repel?

• magnetism

• friction

• a push

• a pull

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What is the name of the force that pulls objects toward the center of Earth?

• gravity

• friction

• a push

• a pull

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What is required for a rocket to leave Earth?

• an engine that has a pushing force greater than gravity

• an engine that has a pulling force greater than gravity

• an engine that has a pushing force less than gravity

• nice weather

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If a magnet’s North pole is placed next to another magnet’s South pole,
then _____.

• the magnets will attract

• the magnets will repel

• the magnets will turn red

• the magnets will explode

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If a magnet’s South pole is placed next to another magnet’s South pole,
then _____.

• the magnets will repel

• the magnets will attract

• the magnets will rust

• the magnets will turn purple

If a magnet’s North pole is placed next to another magnet’s North pole,
then _____.

• they will repel

• they will attract

• they will rust

• they will disappear

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