942704
Questão 1
Questão
If the forces acting on a object are balanced...
Responda
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it's at rest or has a constant speed.
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it will speed up or slow down.
Questão 2
Questão
What is the correct equation?
Responda
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Force = mass x acceleration
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Mass = acceleration x force
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Force = mass ÷ acceleration
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Acceleration = force ÷ mass
Questão 3
Questão
Fill in the blanks:
Force (__) = Mass (__) x Acceleration (__)
Responda
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N, Kg, M/s^squared
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N, G, M/s^squared
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G, N, M/s
Questão 4
Questão
Stopping Distance = Thinking Distance + Breaking Distance
Responda
- True
- False
Questão 5
Questão
The thinking distance is the _________ travelled in this reaction time.
Responda
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Distance
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Speed
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Time
Questão 6
Questão
The braking distance is the distance taken to stop once the brakes are applied.
Responda
- True
- False
Questão 7
Questão
How does the thinking distance increase?
Responda
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It doubles when speed is doubled
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Linearly.
Questão 8
Questão
If the speed doubles... the breaking distance is...
Responda
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increased twice
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increased four times
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decreased twice
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decreased four times
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