Pressure under a Solid
1 mark · EasyGive one example of how understanding pressure under a solid is useful in everyday life.
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Wide tyres on tractors prevent sinking into soft ground.
Also accept: Snowshoes help people walk on snow by spreading weight; Sharp knives are easier to use than blunt ones; Drawing pins concentrate force for easy insertion; Skis prevent sinking into snow
Common mistakes: Answers not related to pressure/force/area
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Marking points
B1 · 1 mark · Gives a correct practical example relating pressure to area and force.
Worked solution
Wide tyres on vehicles (like tractors) spread the weight over a larger area, reducing pressure and stopping the vehicle from sinking.