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15.2 Pressure in fluids

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Question 3

A flat pad on a materials-testing machine presses normally on a sample with a force of 120 N. The pressure exerted on the sample is 30 000 Pa30\,000\ \mathrm{Pa}30000 Pa. What is the area of the pad in contact with the sample?

[1]
A

4.0 cm24.0\ \mathrm{cm^2}4.0 cm2

B

0.40 cm20.40\ \mathrm{cm^2}0.40 cm2

C

400 cm2400\ \mathrm{cm^2}400 cm2

D

40 cm240\ \mathrm{cm^2}40 cm2

Markscheme

15.2 Pressure in fluids Questions

  1. GCSE
  2. /Physics
  3. /15.2 Pressure in fluids

132 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids, covering 15.2.1 Atmospheric pressure and height, 15.2.2 Pressure in fluids, 15.2.3 Pressure, force and area, 15.2.4 Pressure and depth, 15.2.5 Pressure in liquids: depth and density, 15.2.6 Upthrust, and 15.2.7 Floating and sinking. Each one has a worked solution and a mark scheme showing where the marks go.

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