Question

write three daily life situation in which friction is useful for us .explain

Answer 1

Heya frnd,

(1) Walking on the road : It is friction between the ground and our feet that enables us to walk. When we walk, we push the ground under our feet in the backward direction, friction then provides the forward reaction and makes us move forward. If friction between our feet and ground were absent, it would not be possible to walk.


(2) For rolling : The friction, between the tyres/wheels and the road, is necessary for vehicles to move safely. If there were no friction, the tyres of vehicles will go on spinning at the same place and will not move forward at all. If the friction becomes less than a specified value, the wheel/tyre can lose their grip of the road. The vehicle may then skid or turn.


(3) Performing small day to day activities/takes: Whenever we write with pen or pencil on paper, or with chalk on a blackboard, it is the friction that holds the ink/chalk particles, and makes them stick to the rough surface of paper/blackboard.

Thanks

Hope it helps you.

With regards@

Tanisha