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Physics (OCR Foundation)
Measuring and calculating motion
Starter quiz
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Give to class
Match the quantity to the unit it is measured in.
mass
⇔
kilogram (kg) ✓
velocity
⇔
metres per second (m/s) ✓
displacement
⇔
metres (m) ✓
acceleration
⇔
metres per second squared (m/s
^2
) ✓
time
⇔
seconds (s) ✓
What is the velocity of this object at time = 3 s?
1 m/s
3 m/s
5 m/s
6 m/s ✓
9 m/s
Which of these is a correct definition of acceleration?
The rate of change of velocity. ✓
The rate of change of displacement.
The rate of change of speed.
The overall change in velocity.
The overall change in position.
During which time period is this object decelerating?
Between 0 s and 2 s.
Between 2 s and 4 s.
Between 4 s and 7 s.
Between 5 s and 7 s. ✓
Between 7 s and 8 s.
A speedboat increases its velocity from 2.0 m/s to 14 m/s in a time of 8.0 s. Calculate the acceleration of the speedboat.
0.25 m/s
^2
0.67 m/s
^2
1.5 m/s
^2
✓
1.75 m/s
^2
12 m/s
^2
The displacement-time graph shows the movement of a robot. Calculate the velocity of the robot at time = 45 s.
'-0.1 m/s' ✓
+