Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

Fig. 2.1 illustrates a fork-lift truck raising a box. The lifting mechanism is driven by an electric motor supplied by batteries.

(a)[1]

State the type of energy stored in the batteries.

(b(i))[2]

Calculate the increase in gravitational potential energy of the box.

(b(ii))[3]

Calculate the power input to the lifting mechanism.

(c)[2]

Compared with a wind farm, state one advantage and one disadvantage of operating a power station on oil.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Chemical energy (potential energy)” …