6. What force must you exert on a ball point pen in order to apply a pressure of .08 N/mm? on a piece of paper, it the ball of the pen has a surface area of 1.22 mm² touching the paper?

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asked Oct 25, 2022 152k views

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6. What force must you exert on a ball point pen in order to apply a pressure of .08 N/mm?

on a piece of paper, it the ball of the pen has a surface area of 1.22 mm² touching the
paper?

Physics
high-school

Admdrew asked

by Admdrew

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Area=1.22mm^2=0.00001m^2
Pressure=0.8Pa

$\\ \sf\longmapsto Force=Pressure(Area)$

$\\ \sf\longmapsto Force=0.00001(0.8)$

$\\ \sf\longmapsto Force=0.000008N$

Univ answered Oct 30, 2022

by Univ

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