1. Tardigrade
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  4. An air tight container having a lid with negligible mass and an area of 8cm2 is partially evacuated. If a 48N force is required to pull the lid off the container and the atmospheric pressure is 1.0 × 105 Ps, the pressure in the container before it is opened must be

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Q. An air tight container having a lid with negligible mass and an area of $8cm^2$ is partially evacuated. If a 48N force is required to pull the lid off the container and the atmospheric pressure is $1.0 \times 10^5\, Ps$, the pressure in the container before it is opened must be

Mechanical Properties of Fluids

Solution:

$P_1 - P_2 = \frac{F}{A}$