Which movement will require the greatest amount of work to be done?
a force of 18 N18\text{ N}18 N moving an object a distance of 4.0 m4.0\text{ m}4.0 m
a force of 12 N12\text{ N}12 N moving an object a distance of 5.5 m5.5\text{ m}5.5 m
a force of 25 N25\text{ N}25 N moving an object a distance of 3.0 m3.0\text{ m}3.0 m
a force of 15 N15\text{ N}15 N moving an object a distance of 4.5 m4.5\text{ m}4.5 m
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.