Fig. 2.1 shows a bookshelf carrying two sets of books, A and B. Each set contains six books. Every book is identical. Each book has a mass of $0.52\,\text{kg}$.
(a(i))[3]
Explain why the books in group B exert less pressure on the shelf than the books in group A do.
(a(ii))[3]
Calculate the pressure produced on the shelf by the books in group A.
(b)[3]
Calculate how deep the diver is below the surface of the sea.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Pressure is force / area (or pressure inversely proportional to area)” …