Question

C. Write true or false.
1. Friction is useful.
2. Friction is also harmful.
3. We are able to walk because of friction.
4. Friction causes no damage to tyres.
5. Polishing reduces friction.
D. Give reasons.​

Answer 1

Answer:

1. true

2. true

3. true

4. false

5. true

Explanation:

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Answer 2

Answer:

yes it is true , because friction opposes relative force that help us to write,walk etc.

2.friction is harmful its depend on your use of friction

3,yes

4,yes