A forklift lifts crates of equal weight onto a storage shelf.
Which quantity will not affect the total work done by the forklift?
the height of the shelf
the speed at which the crates are lifted
the weight of the crates
the number of crates lifted
67 exam-style questions on CIE IGCSE Physics 1.7.2 Work done. Each one has a worked solution and a mark scheme showing where the marks go.