Pressure under a Solid

1 mark · Easy

Give 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.