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Quick Mechanics question

Halstead

Member
question:
Ambient air pressure is roughly 14.7 lbs. per sq. in. at sea level. The total area of the top of your model airplane is 145 sq. in. What is the amount of force exerted on the top of your motionless, grounded airplane at sea level?
 

hlg6016

A/C Wings Here
If my memory is correct from my youthful model airplane days, Height X Weight X Shoe size = (X)
 

wlawr005

Well-Known Member
pilot
Contributor
14.7x 145= the answer. Multiplication will cancel out the sq. in. and leave you an answer in lbs.
 
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