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What do you do with a safety bar?
pull it down
don't use it
What is the first thing a roller coaster does?
goes up a hill
goes down a hill
What pulls a roller coaster down a hill?
balance
gravity
What part of a roller coaster ride do many people like?
the "loop-the-loop"
the up the hill
How do you feel when you go up the circle?
heavy
light
What force keeps you moving in a loop?
centripetal force
backward force
How does a roller coaster stop?
It uses friction.
It uses gravity.
What were the first Russian roller coasters made from?
ice
seats
What does your body want to continue doing if a roller coaster stops quickly?
continue moving
stop moving
When you are up in a loop, what is pulling you down?
gravity
centripetal force
