A-LevelPhysicsForces, density and pressure9702/12 · Oct/Nov 2009 · Q181 Mark

A rectangular metal bar exerts a pressure of 15 200 Pa on the horizontal surface on which it rests. If the height of the metal bar is 80 cm, what is the density of the metal?

A190 kg m⁻³

B1900 kg m⁻³

C19 000 kg m⁻³

D190 000 kg m⁻³

✓ Correct answer

B: 1900 kg m⁻³

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2009 Paper 1 Variant 2, question 18.

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