Foundation Science Primary 6 Interactions

Which of the following is an advantage of frictional force?

A It allows us to grip objects and walk without slipping.
B It slows down moving vehicles when we want them to go fast.
C It causes wear and tear on shoes.
D It produces unwanted heat in machines.
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Worked Solution

Step 1: Friction is a force that opposes motion. Step [2-9]: While it can be wasteful, it provides necessary grip. Step [2-9]: Without friction, our feet would slide, and hands could not hold things.

Correct answer: It allows us to grip objects and walk without slipping.

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