# HDHS Trilogy P9 Checkpoint quiz: Motion

## Quiz by Alexandra Gill

GCSE (AQA)
Combined Science: Trilogy
English National Curriculum

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6 questions
• Q1
Which of these is an example of deceleration?
A car speeds up as it joins a motorway.
A football slows down because of friction.
A pencil falls off a table.A football slows down because of friction.
A football slows down because of friction.
60s
6.5.4.1.2
• Q2
What is the scientific unit for speed?
m/s2
ms
m/s
km/h
60s
6.5.4.1.2
• Q3
A motion sensor linked to a computer is used to measure how the acceleration of a trolley down a slope is affected by the steepness of the slope. What is the independent variable in this experiment?
steepness of the slope
acceleration
time
velocity
60s
RP.19
• Q4
What is shown by a horizontal line on a velocity–time graph?
The object is stationary
Zero velocity
Non-uniform acceleration
Constant speed
60s
6.5.4.1.4
• Q5
When could a car travelling at constant speed have an acceleration?
Going downhill
Slowing down
If it is stationary