How Roller Coasters Work

What two forces drive roller coasters?

• magnetic

• gravity

• electrical

• inertia

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Which of the following is NOT on a roller coaster

• track

• series of cars

• an engine

What kind of energy is being created when a roller coaster moves up a hill?

• electrical

• magnetic

• potential

• moving (kinetic)

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What kind of energy is created when a roller coaster moves over the hill and begins rolling?

• electrical

• magnetic

• potential

• moving (kinetic)

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Why does a roller coaster keep going?

• potential energy

• electrical energy

• magnetic energy

• inertia

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Inertia causes roller coasters to go back up hills. When a roller coaster is going up a hill it is creating. . .

• electrical

• magnetic

• potential

• moving (kinetic)

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After a roller coast moves over (crests) another hill, what energy is being used?

• electrical

• magnetic

• potential

• moving (kinetic)

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Why does a roller coaster work?

• It changes moving (kinetic) energy to potential energy

• It changes potential energy into moving (kinetic) energy.

• Both of the above

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As a roller coaster goes on it. . .

• loses energy

• gains energy

• does not gain or lose energy

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