Pressure under a solid
2 marks · EasyA book with a weight of 40 N rests on a flat table. If the area of contact is 0.08 m², calculate the pressure the book exerts on the table.
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500 Pa (±5)
Common mistakes: multiplying instead of dividing
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Marking points
M1 · 1 mark · Uses correct equation with correct substitution.
A1 · 1 mark · Correct final value: 500 Pa (with units).
Worked solution
Pressure = Force / Area = 40 N / 0.08 m² = 500 Pa