Compound units (speed, density, pressure)
Edexcel GCSE Maths revision on Compound units (speed, density, pressure). Aligned to the Pearson Edexcel GCSE Mathematics 1MA1 specification. This bank has 16 practice questions on this topic.
Sample questions (3 of 16)
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Question 1
A car travels 150 kilometres in 2 hours. What is the average speed of the car?
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Answer: 75
The average speed is calculated by dividing total distance by total time. Dividing 150 kilometres by 2 hours results in 75 kilometres per hour.
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Question 2
Which expression correctly represents the calculation for density?
- A) Mass divided by volume
- B) Mass times the volume
- C) Volume divided by mass
- D) Mass plus the volume
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Answer: Mass divided by volume
Density is defined as mass per unit volume, which is calculated as mass divided by volume. The other options are incorrect mathematical operations that do not describe this physical property.
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Question 3
A block has a mass of 24 kilograms and a volume of 3 cubic metres. What is the density of the block?
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Answer: 8
Density is mass divided by volume. Therefore, 24 kilograms divided by 3 cubic metres equals 8 kilograms per cubic metre.
Want to test yourself on the remaining cards for this topic?
13 more questions on Compound units (speed, density, pressure) — plus mistakes tracking and spaced repetition across the whole Maths spec.