Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

(a)[3]

Calculate the moment produced by the 320 N force about the pivot.

(b)[3]

Calculate the work done in raising the rock.

(c)[4]

Calculate the truck’s power in lifting the rock. State the unit.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “clockwise moment = force \times (perpendicular) distance” …

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