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15
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What is the force that keeps a bike moving in a circle?
Friction
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thief
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25
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gift
Win 20 points!
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fairy
Take points!
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25
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lifesaver
Give 25 points!
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15
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What is the distance between the centre of the circle to the edge called?
Radius
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15
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What units is force measured in?
Newtons
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15
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What direction will an object moving in a circle if the force towards the centre is broken?
In a tangent from the point
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trap
No points!
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gold
Win 50 points!
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gift
Win 10 points!
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thief
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25
15
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What is formula for circumference of a circle?
2Ïr
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How do you convert period to frequence?
f=1/T
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15
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What direction is the force in circular motion
Towards the centre
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15
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What is a revolution
one complete circle
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If the diametre is 12 m the radius is
6 m
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seesaw
Swap points!
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star
Double points!
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gift
Win 25 points!
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banana
Go to last place!
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15
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What is the force that keeps the Earth rotating the sun?
Gravity
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What does centripetal mean?
Towards the centre
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What is Period (T)?
The time for 1 rotation
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What is frequency measured in?
Hz or s^-1
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