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Up, down and all arround
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What force does the roller coaster use to stop?
Friction
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How are you hanging when you reach the top of the loop?
Upside down
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What force makes you to continue moving?
inertia
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Say two forces that you experience in a roller coaster.
Gravity, centripetal force, inertia and friction.
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What does the centripetal force do?
It keeps you moving in a circle
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What pulls you down the hill?
Gravity
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What force stops you from falling down when you are upside down in the loop?
the centripetal force
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How do you feel when you go quickly in the circle (the loop the loop)?
Heavy
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How does a roller coaster move when you are going up?
Slowly
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How do some people feel in roller coasters because of the changing forces?
Dizzy or sick
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Gravity pulls you...
down
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Who invented roller coasters?
The Russians
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