Physics 0625 · IGCSE · Pressure

Pressure — practice question

Fig. 2.1 depicts water held in a reservoir behind a hydroelectric dam.
(a)[1]

State the form of energy stored in the reservoir water that is used to produce electricity.

(b(i))[3]

Calculate the total pressure of the water at the turbine.

(b(ii))[2]

Calculate the force on the turbine due to the water.

(c)[2]

Explain why the kinetic energy of the water in the pipe does not change as it moves through the pipe.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: gravitational potential energy store

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