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Daniel
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I can't figure this out... I know that answer is wrong, help please? Someone? Ahh!
http://www.gatcity.com/images2/physics.jpg
http://www.gatcity.com/images2/physics.jpg
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Objects float or sink in fluids due to the principle of buoyancy, which states that an object will float if its weight is less than the weight of the fluid it displaces. This is because the fluid exerts an upward force, called buoyant force, on the object which counteracts its weight.
The density of an object plays a crucial role in determining its buoyancy. Objects with higher density than the fluid they are placed in will sink, while objects with lower density will float. This is because the buoyant force is greater on objects with higher volume, which corresponds to lower density.
The Archimedes' principle states that the buoyant force on an object is equal to the weight of the fluid it displaces. This principle is the basis for understanding why objects float or sink in fluids.
Yes, an object can sink in a fluid with a lower density if its own density is significantly higher. This can occur when the object's volume is compressed, causing its density to increase and become greater than the fluid's density.
The shape of an object can greatly affect its buoyancy. Objects with a larger surface area will experience a greater buoyant force due to the increased surface area interacting with the fluid. Objects with a concave shape, such as a boat, can also increase their buoyancy by trapping air underneath, reducing the overall density of the object.