The force on a Phonograph needle is 1.2 ...

The force on a Phonograph needle is `1.2 N.` the point has a circular cross-section whose radius is 0.1 mm. Find the pressure (in atm) it exerts on the recods. Given `1 "atm" = 1.013 xx 10^(5) Pa.`

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The correct Answer is:

`(377 "atm")`

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