(a)[3]
Show the energy transfers in the torch by filling in the labels on Fig. 3.2.
(b)[3]
Calculate how much work the student does on the torch.
(c)[3]
Calculate the pressure exerted on the shelf by the torch.
Physics 0625 · IGCSE · Energy, work and power
Energy, work and power — practice question
A student has a torch powered by a battery. Fig. 3.1 illustrates the torch.