A forklift lifts pallets of equal mass onto a high storage shelf.
Which quantity will not affect the total work done by the forklift?
the mass of each pallet
the height of the shelf above the floor
the speed at which the pallets are lifted
the number of pallets lifted
533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.