Question
What must be the contact area between a suction cup (completely exhausted) and a ceiling if the cup is to support the weight of an $80.0-\mathrm{kg}$ student?
Step 1
This means that the force due to atmospheric pressure is equal to the weight of the student. Show more…
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What must be the contact area between a suction cup (completely evacuated) and a ceiling if the cup is to support the weight of an 80.0-kg student?
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