0654.P1.5.02 — Understand what is meant by centre of gravity and know its position for regularly shaped objects (limited to rectangular blocks, spheres and: past paper questions
Real questions on 0654.p1.5.02 — understand what is meant by centre of gravity and know its position for regularly shaped objects (limited to rectangular blocks, spheres and
The newest 7 of 7 written questions. Open one to see it on the real paper.
- 0973/41 · October/November 2025 · Q9a(i)[1]
Define the moment of a force.
See it on the paper → - 0973/41 · October/November 2025 · Q9a(ii)[2]
State two conditions for an object to be in equilibrium.
See it on the paper → - 0973/41 · October/November 2024 · Q12b[2]
Fig. 12.2 shows the driver pushing the brake pedal with his foot. pivot brake pedal 0.22 m 35 N Fig. 12.2 The driver applies a force of 35 N on the brake pedal. The force is applied 0.22 m from the pivot. Calculate the moment of the force about the pivot. moment = N m
See it on the paper → - 0973/41 · October/November 2023 · Q3c(ii)[2]
The moment of the force, from the high-pressure steam acting on blade A, is 1.35 × 10 6 N m. Calculate the distance d, from the centre of blade A to the pivot of the turbine. distance d = m
See it on the paper → - 0973/31 · May/June 2022 · Q3c[3]
Fig. 3.3 shows the laptop being closed. 12 N 24 cm pivot Fig. 3.3 Calculate the moment of the force about the pivot in Nm. moment = Nm
See it on the paper → - 0973/31 · May/June 2021 · Q3c[2]
Fig. 3.2 shows a metal nut on the bicycle which is difficult to unscrew. metal nut Fig. 3.2 Fig. 3.3 shows two spanners A and B. A B Fig. 3.3 Explain why it is easier to use spanner B to unscrew the nut rather than spanner A.
See it on the paper → - 0973/32 · May/June 2020 · Q3c[2]
The girl then clamps a ruler to the side of a table as shown in Fig. 3.3. 40.0 N ruler clamp 0.27 m table Fig. 3.3 She applies a force of 40.0 N to the end of the ruler which is 0.27 m from the edge of the table. Calculate the moment of the force about the edge of the table. moment = N m
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What examiners said
Many candidates gained one mark for giving the equation for calculating the moment of the force but fewer were able to rearrange the equation to give the distance d.
— Examiner report, October/November 2023, 0973/41 Q3(c)(ii) (Cambridge)
Most candidates used an incorrect formula and divided the force by the distance. Some candidates omitted to convert the distance from centimetres to metres.
— Examiner report, May/June 2022, 0973/31 Q3(c) (Cambridge)
Many candidates were able to explain that spanner B was longer, but very few were able to explain that this meant there was a greater moment or turning force.
— Examiner report, May/June 2021, 0973/31 Q3(c) (Cambridge)
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