Physics 0625 · IGCSE · Pressure

Pressure — practice question

Fig. 5.1 depicts two men mending a weak roof while standing on a crawler-board.
(a)[2]

Explain why the crawler-board stops the men from falling through the roof.

(b)[5]

Calculate the pressure on the roof when the men are on the crawler-board. Include the unit.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “greater area (touching the roof)” …

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