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Home Logistics News Remove the package 23.8n from a package of paper, and find the pressure of a A4 paper on the desktop

Remove the package 23.8n from a package of paper, and find the pressure of a A4 paper on the desktop

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As shown in the figure, it is the outer package of A4 paper of a certain brand. If one of them is placed flat on the horizontal desktop, the pressure on the desktop is,,. If half of the paper is placed flat on the desktop, the pressure on the desktop is,,. The figure says 70g /m2, each

from P = f /S = 0.07kgx10n /kg /1m ^ 2 = 0.7pa
halve f s and keep the pressure unchanged
for the outer package of A4 paper of a certain brand, if one of them is placed flat on the horizontal desktop, the pressure on the desktop is 0.7pa
if the paper is placed flat on the desktop, the pressure on the desktop is 0.7pa

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