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Maths (Higher)
Compound measures

Starter quiz

  • Pressure is the perpendicular ______ applied to the surface of an object per unit area over which that force is distributed.
    • 'force' ✓
  • A box is placed on a table and the area of the base of the box is 2.5 m^2. The force exerted by the box on the table is 45 N. The pressure exerted by the box on the table is ______ N/m^2.
    • '18' ✓
  • Match each with its correct pressure.
    • Force = 48 N and area = 2.4 m^2
      ⇔
      20 N/m^2 ✓
    • Force = 85 N and area = 1.7 m^2
      ⇔
      50 N/m^2 ✓
    • Force = 64 N and area = 1.6 m^2
      ⇔
      40 N/m^2 ✓
    • Force = 105 N and area = 3.5 m^2
      ⇔
      30 N/m^2 ✓
  • This box has a mass of 134.4 N. Calculate the pressure it exerts on the ground.
    This box has a mass of 134.4 N. Calculate the pressure it exerts on the ground.
    • 1.9 N/cm^2
    • 5.6 N/cm^2  ✓
    • 7.5 N/cm^2
    • 13.44 N/cm^2
  • The pressure exerted by a cube with side lengths of 10 cm on a table is 13.5 N/cm^2. Find the force exerted by the cube on the table.
    • '1350 N' ✓
  • This box exerts a pressure of 65 <Math>N/m^2</Math> and a force of 187.2 <Math>N</Math> on the ground. How wide is the box?
    This box exerts a pressure of 65 N/m^2 and a force of 187.2 N on the ground. How wide is the box?
    • '1.2 m' ✓
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