Standard Science Primary 6 Interactions

Why do the tyres of a car become warm after a long journey?

A Friction between the tyres and the road produces heat.
B The engine produces heat that travels to the tyres.
C Air resistance creates heat.
D The sun heats them up.
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Worked Solution

Step 1: Tyres rub against the road during motion. Step 2: Rubbing between surfaces creates friction. Step 3: A byproduct of friction is heat energy.

Correct answer: Friction between the tyres and the road produces heat.

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