Everyday Science
NULL
Medium
Question
Why does ~14.7 psi air pressure not crush a person?
A
An equal and opposite pressure acts from inside
✓ Official correct answer
B
of the height of a man
C
of gravity
D
Earth pulls the man upward
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
An equal and opposite pressure acts from inside
No member explanations yet for this option.
B
of the height of a man
No member explanations yet for this option.
C
of gravity
No member explanations yet for this option.
D
Earth pulls the man upward
No member explanations yet for this option.
Explanation
Internal body pressure balances external air pressure — an equal and opposite pressure from inside.
So the correct answer is An equal and opposite pressure acts from inside.
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