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Problem 69 Medium Difficulty

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 pascals can you create by exerting a force of 500 $\mathrm{N}$ with your tooth on an area of 1.00 $\mathrm{mm}^{2} ?$

Answer

$P=5.00 \times 10^{4} \mathrm{Pa}$

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Video Transcript

we're told that we can chew through a very tough objects with our incisors because they deserve a large force on the small area of appointed to We want to figure out what pressure and passed gas can you create by exerting a force off 500 Newtons with your tooth on an area one Mel meter squared. So we have our tooth. That comes to a point here you have 500 Newtons pressing down on it, under contact with some surface that that has a force pushing back up. We have the contact area. Here is one millimeters squared. So this is simply we have are doing our thing all right. Values. The pressure is simply the force divided by the area. So we can calculate that as 500 Newtons divided by one times 10 to the minus six, neither squared and we get 500 times 10 to the sixth Pascal's or 500 make a pass scales

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