M8 - on the first object greater than or equal to the...

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11/17/2010 Name: Sharan Multani Name: Nick Podreborac M8 - Conceptual Questions Q1.) If one could repeat the same experiment in the lab located on the Moon (the different weight of the measured objects), then would the density result be different? If yes, then explain how much different. If not, then why the result would be the same? Ans1.) Density = Mass/Volume. Weight = Mass * gravity. In reference to this question, Gravity is the only difference between the Earth and the Moon. The density of an object is independent of the weight of the object. Therefore it is also independent of the gravity of the object. Since there is no effect of gravity on the density of the object, the density of the object will be the same. Therefore, the density of the object will be the same. Q2.) Consider two objects that have exactly the same shape and dimensions. The first object has a larger density than the second object. Both objects are completely immersed in water. Is the buoyant force acting
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Unformatted text preview: on the first object greater than or equal to the buoyant force acting on the second object? Please Explain. Ans2.) Buoyant force is equal to weight of water displaced by the submerged object. Volume of water which will be displaced will be equal to the volume of the submerged object, and nothing to do with the density of submerged object. The buoyancy force only depends on the 1) Volume submerged. 2) The density of the liquid it is submerged in. 3) gravity (assumed to be g on earth) :) If the two objects are the same shape and dimension (same volume), the buoyancy force acting on them is the same. Archimedes Principle states that the buoyancy force acting on a wholly or partially submerged object is equal to the weight of the displaced fluid. Therefore, the density of the object does not change the magnitude of buoyant force acting on the body and the forces acting on both the bodies is the same ....
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M8 - on the first object greater than or equal to the...

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