O-LevelPhysicsForces5054/11 · May/June 2018 · Q151 Mark
Each tyre of a car has an area of 100 cm² 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/cm²
B16 N/cm²
C40 N/cm²
D160 N/cm²
✓ Correct answer
C: 40 N/cm²
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