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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Pressure

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Pressure

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Paper 3Theory (Core)2 marks

Exploring pressure in different contexts.

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Pressure in a Tire

A car tire has a pressure of 220 kPa. If the area of contact with the ground is 0.1 m², calculate the force exerted by the tire on the ground.

  1. a

    Determine the force exerted by the tire on the ground.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Pressure

Paper 3Theory (Core)2 marks

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Pressure in a Syringe

A syringe has a plunger that can be pushed down to inject fluid. If a force of 10 N is applied to the plunger, and the area of the plunger is 2 cm², calculate the pressure exerted on the fluid.

  1. a

    Calculate the pressure exerted on the fluid in the syringe.

    Aim for approximately 2 distinct marking points.

    [2]