Floating a Jeep: How Many Litres of Air?

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To make 1 kg of steel float, you need to displace 1 kg of water, which is equivalent to 1 liter of water. The density of water is 1 kg/l, meaning that any material displacing this volume will allow the steel to float. The discussion emphasizes that the type of material used for displacement, such as air, is less important than the volume displaced. Understanding the principles of buoyancy is crucial for this project. Proper calculations and material choices will determine the success of making a small jeep float.
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How many litres of air do i need to make 1kg of steel float?

If you're wondering what for? i am actually trying to make a small jeep float... :smile:
 
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To support 1 kg of steel (or whatever material), you need to displace 1 kg of water. Density of water is 1 kg/l, so you need 1 liter of water displaced (it doesn't matter if it is air or anything else that displaces the volume of water).

See http://en.wikipedia.org/wiki/Buoyancy" for more info.
 
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