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What is the use of friction?
Friction makes walking and running possible. If there were no friction, we would be unable to move our legs on the ground without slipping and falling, just like you would experience when you try to move on a slippery surface, such as ice, which offers very little friction underfoot.

Also, friction enables vehicles to move controllably on the road without sliding or skidding, as it would have if it were on a wet slippery road with little friction.


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