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15
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A pulley is a hard or rigid bar that rests on support called fulcrum.
a lever
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heart
Other team wins 20 points!
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rocket
Go to first place!
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gift
Win 25 points!
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banana
Go to last place!
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banana
Go to last place!
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gift
Win 15 points!
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shark
Other team loses 25 points!
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baam
Lose 25 points!
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15
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Using arrows describe the forces acting on the roller coaster train, mentioning the effect of changing the speed of the car on the centripetal force.
centripital force arrow to the center, velocity to the right. as velocity inc. centripetal force inc.
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15
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The momentum of an object can be calculated by multiplying mass times acceleration.
mass times velocity
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15
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Centripetal force is the force that acts parallel to the velocity of an object.
perpendicular to
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