Physics · May / June 2018 · Paper 11 · Question 15
5054Pressure
Each tyre of a car has an area of 100 cm^2 in contact with the ground. The car has a mass of 1600 kg. The weight of the car is equally distributed amongst the four tyres. The gravitational field strength g is 10 N / kg. What is the pressure exerted on the ground?
- A4.0 N / cm^2
- B16 N / cm^2
- C40 N / cm^2
- D160 N / cm^2
As printed in the paper
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Correct answer: C. 40 N / cm^2
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