acxz
Karma: 60
Answers: 1
when is friction useful
Answers: 6
Views: 796
Rating: 2
Posted: 13 years ago
to keep a biker on his seat
to keep cars on the road
to help cars and bikes to brake
when sanding wood
to start a match
to stop slipping on any suffices
to help us pick things up or grip things
to stop our shoes from sliping
unable to write with out friction
to help us to stop when running
Rating: 4
Posted: 13 years ago
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