Class 8 · Science · Curiosity

5. Exploring Forces

Try question 1

A force can be described as

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Answer and explanation

Answer: A. a push or a pull

Forces are pushes or pulls that can change motion or shape.

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Try question 2

The force that opposes motion between two surfaces in contact is

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Answer and explanation

Answer: B. friction

Friction slows down a ball rolling on the ground.

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Try question 3

Which of these is a non-contact force?

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Answer and explanation

Answer: C. Magnetic force

A magnet can attract iron without touching it.

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