Physics 0625 · IGCSE · Density

Density — practice question

Fig. 2.1 displays a wooden raft. This raft is built from 8 logs. Every log is made from the same kind of wood.

(a)[3]

Calculate the raft’s total weight.

(b(i))[3]

Calculate the density of the wood in the log.

(b(ii))[1]

Explain why the log in (b)(i) floats on water.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The formula is $W = m \times g$.” …