Newton's Laws Review

What is the standard unit of measurement for force?

• Newtons

• pounds

• grams

• meters

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NGSS.MS-PS2-1

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What is Newton's First Law?

• An object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force.

• Force = mass x acceleration

• For every action there is an equal and opposite reaction.

What is Newton's Second Law?

• An object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force.

• Force = mass x acceleration

• For every action there is an equal and opposite reaction.

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NGSS.MS-PS2-2

What is Newton's Third Law?

• An object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force.

• Force = mass x acceleration

• For every action there is an equal and opposite reaction.

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NGSS.MS-PS2-1

Which is the measurement that describes the force of gravity on an object?

• mass

• weight

• volume

• inertia

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NGSS.MS-PS2-2

Friction causes speed to

• increase

• decrease

• stay the same

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What is the force that acts between objects that are NOT touching?

• non-contact force

• contact force

• elemental force

• invisible force

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Which TWO factors affect the force of gravity? (pick 2)

• mass of the objects

• speed of the objects

• shape of the objects

• distance between the objects

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If the mass of an object is 1000 kg on Earth. What is the mass of the same object on the moon?

• 500 kg

• 100 kg

• 1000 kg

• 2000 kg

A push or pull on an object

• friction

• force

• magnet

• gravity

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NGSS.MS-PS2-1

NGSS.MS-PS2-2