Question

Give 3 instances where it is desirable to increase friction

Answer 1

Thanks for asking the question.
Friction is a resistance that one surface encounters while moving over the other.
Following are some were we need friction:
1. We need friction to apply brakes on a car to stop the vehicle.
2. We need friction to walk.
3. we need friction for writing.
4. Without friction, objects will never come to rest.
Hope it helps.
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