Question

Friction force is very useful in daily life.

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Answer 1

Answer:

Explanation:

Following examples involve friction in daily life:

1. Walking on road

2. Mopping the floor

3. Writing with a pencil/chalk

4. Flight of airplane (air resistance)

5. Driving in a car

6. Application of brakes

7. Use of eraser to rub something

8. Lighting a match stick

9. Using a tooth brush

Answer 2

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Friction has many uses in our daily life

• Cutting of fruits.
• Holding a screw in hole.
• Applying brakes to stop a vehicle.
• Prevents from slipping or sliding.
• Rubbing both hands to generate heat.
• Lighting a match stick.
• Walking on road.
• Erasing something by rubber.
• Writing by pencil.

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