Posted by brooke barney on Tuesday, January 19, 2010 at 6:08pm.
he output force greater than the input for for a pizza cutter?

science  bobpursley, Tuesday, January 19, 2010 at 6:19pm
The issue is not force on cutting a pizza, but rather pressure. Pressure is force/area.
the contact area of a the blade of a pizza cutter is exceedingly small, so
Pressure= force/small area which makes a great pressure.
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