Applications & Limitations of Newton's Laws

What did Newton use his laws of motion to analyze?

• The properties of light

• The structure of atoms

• The behavior of gases

• The motion of planets in space

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NGSS.MS-PS2-4

What shape did Johannes Kepler prove planetary orbits were?

• Hyperbolic

• Elliptical

• Circular

• Rectangular

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NGSS.HS-ESS1-4

What force causes an apple to accelerate toward Earth's center?

• Gravity

• Friction

• Magnetism

• Electrical force

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NGSS.MS-PS2-4

Why doesn't the moon fall into Earth, according to Newton?

• Because it's moving parallel to Earth's surface

• Because it's too large

• Because it's not affected by gravity

• Because it's moving too fast

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NGSS.MS-ESS1-2

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What analogy did Newton use to explain the moon's orbit around Earth?

• A bird flying in the sky

• A car driving on a circular track

• A stone whirled around at the end of a string

• A boat sailing on water

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What does the universal law of gravitation state?

• Objects float in space

• All objects fall at the same rate

• Objects in the universe attract each other with a force dependent on their masses and distance

• Gravity only works on Earth

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What are the two instances where Newtonian physics break down?

• At or near the speed of light and in quantum mechanics

• Underwater and in outer space

• On Earth and on the moon

• At high temperatures and high pressures

What does the force of gravity between two masses depend on?

• Their color and size

• Their speed and direction

• Their temperature and state

• Their masses and the distance between them

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NGSS.MS-ESS1-2

NGSS.MS-PS2-2

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What did Newton's insight eventually lead to?

• The universal law of gravitation

• The discovery of electricity

• The invention of the telescope

• The theory of relativity

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What is required for a stone to continue its circular path or orbit?

• An increase in mass

• A decrease in speed

• A force pulling it inward

• A push from the outside

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