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4 answers

yep less friction

2007-02-14 01:04:40 · answer #1 · answered by Diddles 2 · 0 0

Rough surfaces provide more friction than smooth surfaces

2007-02-14 00:59:30 · answer #2 · answered by Barbados Chick 4 · 0 0

rough surfaces have more friction. More friction = more energy to move an object = longer time to do it unless the effort is increased as well.

2007-02-14 01:00:26 · answer #3 · answered by Anonymous · 0 0

It dosen't take more time. Just more effort.

2007-02-16 22:39:58 · answer #4 · answered by mountainriley 6 · 0 0

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