Foundation Science Primary 6 Interactions

Which of the following is an effect of frictional force?

A It can only act on magnetic materials.
B It helps us to grip objects.
C It pulls objects towards the centre of the Earth.
D It makes a moving object speed up.
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Worked Solution

Step 1: Frictional force occurs when two surfaces rub against each other. Step 2: One useful application is providing the grip needed to hold things or walk without slipping.

Correct answer: It helps us to grip objects.

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