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You can chew through very tough objects with your incisors because they exert a large force on the small area of a pointed tooth. What pressure in Pa can you create by exerting a force of 480 N with your tooth on an area of 1.10 mm2?
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Added Mon, 20 Jul '15
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Pressure = F / A

= 480 / 1.1*10^-6

= 4363636 PA

= 4.36 Mpa
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Added Mon, 20 Jul '15
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