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