GCSE · Compound units & rates

Density and pressureExam-style questions

Why density is mass packed into one unit of volume and pressure is force spread over one unit of area, how to rearrange both formulas by sense rather than by triangle, and why a mixture's density is never the average of the two densities.

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19 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAll Level 1 Level 2 Level 3 Level 4 Level 5

1
A block has mass $300$ g and volume $50$ cm $^3$ . Work out its density in g/cm $^3$ .
Level 1 · 1 markTry it
2
A force of $40$ N acts on an area of $8$ m $^2$ . Work out the pressure.
Level 1 · 1 markTry it