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Teams
Name
Score
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thief
Give points!
5
10
15
20
25
×
gift
Win 25 points!
Okay!
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gift
Win 10 points!
Okay!
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lifesaver
Give 10 points!
Oops!
15
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What does a horizontal line on a distance-time graph mean?
The object is stationary
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15
×
What does the gradient of this distance time graph give you?
Speed
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15
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What does the gradient of this velocity time graph give you?
acceleration
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15
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Timmy has just jumped out of a plane. As they accelerate, what happens to the air resistance?
Air resistance increases with speed
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eraser
Reset score!
Oops!
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fairy
Take points!
5
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20
25
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gift
Win 10 points!
Okay!
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lifesaver
Give 25 points!
Oops!
15
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What factors affect the size of the air resistance an object feels?
Speed of the object, shape of the object, density of the fluid.
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15
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What factors can affect reaction time?
Tiredness, age, alcohol, drugs, distraction
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seesaw
Swap points!
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magnet
Take 10 points!
Okay!
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rocket
Go to first place!
Okay!
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lifesaver
Give 20 points!
Oops!
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seesaw
Swap points!
Oops!
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star
Double points!
Okay!
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fairy
Take points!
5
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25
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baam
Lose 10 points!
Oops!
15
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Timmy is sky diving, his weight and air resistance are balanced. Describe his motion...
Moving with a constant velocity (terminal velocity)
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15
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What does a horizontal line on a velocity-time graph mean?
The object is moving with a constant velocity.
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15
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Why does the distance always increase, even if you turn around and come back?
Distance is scalar - so only has size
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15
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Which of Newton's laws is this: Acceleration is proportional to the resultant force and inversely proportional to the mass.
Newton's second law
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15
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A car travels at a constant speed around a corner, is it accelerating?
Yes - acc'n is a changing velocity, and velocity includes direction.
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15
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The tendency of objects to continue in their state of rest or of uniform motion is called...
inertia
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