If the force required to remove the lid is 480 N and the atmospheric pressure is 1.0 × 10^5 Pa?
what is the internal air pressure?
attempt: I used the formula p=F/A and got 6.23 Pa. is this correct?
what is the internal air pressure?
attempt: I used the formula p=F/A and got 6.23 Pa. is this correct?
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Answers & Comments
Unless you have the area of the lid you cannot know what the internal pressure is.
You could have a small lid with a very low internal pressure or a large lid where the pressure is close to atmospheric.
You obviously know something that you are not telling us.