Emilio584 Emilio584

16-03-2015
Physics

Answered

Name two ways that friction is harmful and two ways that friction is helpful to you when riding a bicycle

Verified Answer :

TacoGod TacoGod

16-03-2015

Harmful

-causes heat; if it's not used correctly, it can cause injury
-when falling, the friction between your knee/leg and the ground can cause scrapes

Helpful

-helps stop the bike, the brakes rub against the tire which slows it down to a stop
-it can also help move the bike; the chains rub against tires which accelerate the bike

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