Teal asked in Science & MathematicsPhysics · 2 months ago

The top of your head has a surface area of 25 cm x 25 cm. How many newtons of force push on your head at sea level? ?

If you estimate this area to be 100 in2, what is the force in pounds?

1 Answer

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  • 2 months ago

    Solution:

    Using the realtion,

    F = PA

    a) The area is = 0.25*0.25 = 0.0625m2.

    P is atmospheric pressure = 101325 Pa.

    The Force F = PA = 6332.8N.

    b) The area given is = 100 in2.

    P is atmospheric pressure = 14.7 psi

    The Force F = PA = 1400 lb.

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