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The driver in the car brakes by using the brake pedal. Fig. 9.2 shows the force exerted by the driver’s foot on the brake pedal. pivot 18 cm 40 N brake pedal Fig. 9.2 Calculate the moment of the force from the driver’s foot about the pivot. moment = N cm
See it on the paper →Which diagram shows the correct way to set up the apparatus?
See it on the paper →Which two changes must result in less work being done on the car by the engine?
See it on the paper →In which of the arrangements is the force upwards?
See it on the paper →Fig. 6.2 shows the mouse sitting on a cube of cheese, which is on a wooden beam pivoted in the middle. cheese d cm 20 cm (not to scale) Fig. 6.2 The cat sits on the other end of the beam and balances it. The weight of the cat is 50 N and the combined weight of the mouse and cheese is 21 N. Calculate the distance d when...
See it on the paper →Many candidates were able to apply the formula to calculate the moment. Others tried to manipulate the figures inappropriately gaining no credit.
— Examiner report, May/June 2025, 0654/32 Q9(c) (Cambridge)
Some of the stronger candidates chose the incorrect B rather than the correct answer, C. They are expected to know how to use apparatus for simple paper chromatography, and that the ink spot is applied to a position above the solvent.
— Examiner report, October/November 2019, 0654/11 Q22 (Cambridge)
Although most candidates appreciated that decreasing the force from the engine would reduce the work done, weaker students tended to think that increasing the distance moved by the car would have the same effect (option B).
— Examiner report, October/November 2019, 0654/11 Q30 (Cambridge)
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