how many gallons of water will a tank that is 5 foot by 4 foot by 8 foot hold
A 15 cubic foot tank will hold a maximum of about 112.2 gallons of water.
A square foot is not going to hold any water, because it's flat. You need a cubic measurements for volume.
141.06 gallons
700 gallons
as big as it needs to be to hold its weight
20,000 tons
When made out of cardboard? About ten kilos.
About 220 lb.
The weight that plexiglass can hold per square foot will depend on the thickness of the sheet. As a general reference, 1/8" thick plexiglass can typically hold up to 15 pounds per square foot, while 1/4" thick plexiglass can hold around 60 pounds per square foot. For greater load-bearing capacities, thicker plexiglass sheets or additional support structures may be needed.
A rock over is when someone can not reach a hold so they put there foot high and put all there weight on there high foot and put of it to get to another hold
A square foot of Plexiglas can hold no water. It is a flat sheet. A cube of Plexiglas would be needed.
Depends on the structural integrity of the deck.
The answer will depend on 4 inch slab of what material!
A typical 1x2 piece of lumber can hold around 20-50 pounds per linear foot, depending on the type of wood and its quality. However, this can vary based on factors such as the direction of the load and how the weight is distributed along the length of the board.
2002 Ford Ranger Edge had no problem with 1500Lbs plus another 1000Lbs on a light trailer
That would depend on the specie of wood that the 2x8 is made from.