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5.5 Pressure and pressure differences in fluids

5.5 Pressure and pressure differences in fluids

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Question 3

In a car's hydraulic braking system, when the driver presses the brake pedal, a force of 45 N45\text{ N}45 N is applied normal to the surface of the master cylinder piston. The pressure transmitted through the brake fluid is 125 000 Pa125\,000\text{ Pa}125000 Pa.

Calculate the surface area of the piston. Give your answer in standard form and include the correct SI unit.

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Markscheme

5.5 Pressure and pressure differences in fluids Questions

  1. GCSE
  2. /Physics
  3. /5.5 Pressure and pressure differences in fluids

18 exam-style questions on AQA GCSE Physics 5.5 Pressure and pressure differences in fluids, covering 5.5.1 Pressure in a fluid and 5.5.2 Atmospheric pressure. Each one has a worked solution and a mark scheme showing where the marks go.

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