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How many pounds per square inch it does it take to lift ten stone in weight into the air?
Wiki User
∙ 14y ago
That all depends on how many square inches you have, to which to apply the pressure, my boy.
If you can only press on one square inch, then you must concentrate the entire 10 stone of weight onto that one meager square inch.
If on the other hand, you can spread the weight of the 10 stone over an entire Rugby field, then you shan't require much force indeed on each square inch of it, now do you ?
Whatever the area you have available, the upward force on the entire area must add up to 10 stone. The more area you have, the more thinly you can spread that total force. The amount of force on each square inch is the pressure.
Now be off with you; go study your lessons.
Wiki User
∙ 14y ago
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