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Physics — Grade 9 Quiz Questions
A sample of the 10 questions below — instant scoring and an explanation for every answer. No sign-in required to play.
Question 1
If a car's velocity changes from 0 to 20 m/s in 4 seconds, its acceleration is ___.
A5 m/s^2
B4 m/s^2
C20 m/s^2
D80 m/s^2
Question 2
Work done on an object is calculated as ___.
Amass times velocity
Bforce times displacement
Cmass times acceleration
Dpower times time squared
Question 3
The unit of work and energy in the SI system is the ___.
AWatt
BNewton
CJoule
DPascal
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