. Sometimes, force of friction is desirable, give three examples.
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ꪖꪀᦓ᭙ꫀ᥅:-
three example that show force of friction is desirable. 1)There is a design under our shoes which helps to reduce fiction. 2)when we write on a blackboard with chalk. 3)when we hang our bags on our sholders.
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Answer:
- 1 We are able to walk on ground due to the force of friction.
- 2 We are able to hold a pen or any object due to the force of friction
- 3 Brakes are applied to vehicles due to the frictional force.
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