You can't say 'pressure per square inch. It's just 'pressure', which equals force per square inch. You divide the person's weight by the area of the foot in contact with the stairs to get the answer.
4102.6lbs per square inch
250 pounds per square inch (PSI)
A box of Bruce natural oak, 3/4 inch thick, 2 1/4 inch wide, random lengths is euqal to roughly 20 square feet per box.
The support provided by 5 samples would be 5 times greater than that of 1 sample, but the weight expressed by the 500 gram weight remains constant.
The weight of dried Oak wood is approximately 45-47 pounds per cubic foot. For a .75 inch thick board, the weight would be around 3-4 pounds per square foot, depending on the specific density of the wood.
Air has a weight of about 14.7 pounds per square inch at sea level.
15lbs of weight on a square surface 1 inch wide & 1 inch long.
You can't say 'pressure per square inch. It's just 'pressure', which equals force per square inch. You divide the person's weight by the area of the foot in contact with the stairs to get the answer.
Quartz is not generally sold by weight, it is sold by square foot or square inch.
4102.6lbs per square inch
14.7 pounds per square inch at sea level.
250 pounds per square inch (PSI)
atmosphere
To measure the pounds per square inch (psi) that a tank is exerting on a floor, you need to know the weight of the tank and the surface area in contact with the floor. Divide the weight of the tank by the surface area in square inches to calculate the psi exerted.
Polyiso weighs roughly 4 ounces per sf per inch.
One pound per square inch is a unit of measure for pressure. It is equal to the pressure of one pound of weight against gravity resting against an object with the surface area of one square inch.