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