Physics 5054/21 — October/November 2021
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Pressure · Turning Effect of Forces · Mass, Weight and Density · Forces · Kinematics · Stars and the Universe · +16 more
Fig. 1.1 shows a wooden bench of weight .
Each of the two supports has an area of in contact with the ground.
Calculate the pressure on the ground due to the bench.
pressure = ______
The centre of mass of the bench is from the left-hand end of the bench and from the front.
Suggest one reason why the centre of mass is in this position.
There is a force exerted vertically downwards from the point P shown in Fig. 1.1.
Calculate the maximum force that can be exerted vertically downwards at P without the bench rotating about the point Q shown in Fig. 1.1.
maximum force = ______
The rest of this paper
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- Q3Stars and the Universe · Transfer of Thermal Energy · Electromagnetic Spectrum8M
- Q4Energy, Work and Power6M
- Q5Static Electricity6M
- Q6Current, Voltage and Resistance · Electric Circuits6M
- Q7Electromagnetic Induction and Transformers · [Legacy] Electronic Systems5M
- Q8Magnetic Effect of a Current and the d.c. Motor · Sound · General Properties of Waves15M
- Q9Kinetic Particle Model of Matter · [Legacy] Temperature and Thermometry · Thermal Properties of Matter15M
- Q10The Nuclear Atom · Radioactivity15M