IBM39515
IBM39515
20-04-2015
Physics
contestada
how does sandpaper increase friction
Respuesta :
HistoryGuy
HistoryGuy
20-04-2015
Sand paper literally has little pieces of sand on it (at least most forms of sandpaper do), which creates great microscopic gaps between the paper and the tops of the little pieces of sand, which creates great resistance.
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Gene22
Gene22
20-04-2015
the sand on the sandpaper sticks to an object creating risistance and slightly slows it down
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