Student X uses a force of 45 N to push a crate 4.0 m across a horizontal floor.
Student Y uses a force of 30 N to push another crate 2.5 m across the floor.
Which statement gives a full explanation why student X uses more energy than student Y?
Student X pushes their crate a greater distance than student Y.
Student X uses a larger force than student Y.
Student X uses a larger force and pushes their crate a greater distance than student Y.
Student X pushes a heavier crate than student Y.
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.