Physics 0625 · IGCSE · Pressure

Pressure — practice question

Fig. 3.1 illustrates a person travelling across an ice-covered pond to reach a ball on the ice.

(a)[3]

Explain why moving across the ice in this way is safer than walking. Use your knowledge of pressure in your response.

(b)[4]

Calculate the pressure at point X due to the ice and the water.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Force/weight distributed over a much larger area” …