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A LevelPhysicsEdexcelExam Questions4. MaterialsDensity, Upthrust & Viscous Drag

Density, Upthrust & Viscous Drag (Edexcel A Level Physics)

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Density, Upthrust & Viscous Drag

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Density, Upthrust & Viscous Drag

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An object of volume V made from a material of density rho subscript 1 is placed into a fluid of density rho subscript 2.
Which of the following gives the upthrust on the object? 

  • rho subscript 1 V g

  • rho subscript 2 V g

  • open parentheses rho subscript 2 minus rho subscript 1 space close parentheses V g

  • fraction numerator open parentheses rho subscript 2 plus rho subscript 1 space close parentheses over denominator 2 end fraction V g

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