(a)[2]
State and explain how the chair’s pressure on the floor changes between the two positions.
(b)[2]
The chair and student topple if the chair is tilted further backwards than in Fig. 2.2. Explain why.
Physics 5054 · O Level · Pressure
Pressure — practice question
Fig. 2.1 shows a student seated on a chair. Fig. 2.2 shows that same student with his chair leaning slightly backwards.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Pressure is larger in Fig. 2.2 because the contact area is smaller / more force passes through the back legs” …
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