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Speed, Velocity, and Acceleration — OCR GCSE Combined Science B J260
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Combined Science
OCR GCSE Combined Science B
Forces and Motion
Describing Motion
Speed, Velocity, and Acceleration
OCR GCSE Combined Science B · J260
Speed, Velocity, and Acceleration
What you need to know
Recall and apply the relationship for average speed:
v
=
s
t
v = \frac{s}{t}
v
=
t
Revision notes
1
Speed, Velocity, and Acceleration
9 key terms
Practise with past papers
Key terms & definitions
Previous topic: Nature of Forces
Interaction Forces and Weight
Next subtopic
Motion Graphs and Equations
s
Recall typical speeds encountered in everyday experience for wind, sound, walking, running, cycling, and other transportation systems.
Make measurements of distances and times, and calculate speeds.
Describe how to investigate a trolley's speed down a ramp, using appropriate apparatus and techniques.
Make calculations using ratios and proportional reasoning to convert units, including conversions between m/s and km/h.
Explain the vector-scalar distinction as it applies to displacement, distance, velocity, and speed.
Recall and apply the relationship for acceleration:
a
=
Δ
v
t
a = \frac{\Delta v}{t}
a
=
t
Δ
v
Explain how to use appropriate apparatus and techniques to investigate acceleration.
