Chapter 2: Force and Motion Review

Which one is a contact force?

• gravity

• friction

• electric forces

• magnetic forces

Which one is a non-contact force?

• friction

• air resistance

• water resistance

• electric force

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Which law states that an object will stay in uniform motion unless a net force acts on the object.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

How does light travel?

• slowly

• in glittery rainbows

• in waves in straight lines

• in zig zags

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Are shadows longer in the morning or at noon?

• morning

• noon

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Two forces of equal strength that act on the same object but in OPPOSITE directions.

• balanced forces

• net force

• combined forces

• unbalanced forces

A push or a pull that acts on an object.

• inertia

• gravity

• force

• friction

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The force that results when two materials rub against each other.

• friction

• gravity

• magnetism

• shadow

When you ride a roller coaster, what makes your body rise out of its seat at the top of a hill?

• gravity

• weight

• inertia

• magnetism

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A skating rink would have ___________ friction.

• less

• more