A royal treasurer commissions a craftsman to make an elaborate gold crown. When the crown is delivered, she suspects that it may actually be made of brass covered in gold. She has the crown tested to make sure. The crown weighs 24.5 N in air, and has an apparent weight in fresh water of 22.1 N. Is the treasurer correct?
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when the apparent weight is positive but less than the actual weight it means ρ object ( density of object ) > ( density of fluid) ρ fluid
if apparent weight is zero and the object has a neutral buoyancy. then relative density of object = relative denisty of fluid
if apparent weight is negative and the object is said to be "lighter than air". then ρobject < ρfluid
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when the apparent weight is positive but less than the actual weight it means ρ object ( density of object ) > ( density of fluid) ρ fluid if apparent weight is zero and the object has a neutral buoyancy. then relative density of object = relative denisty of fluid if apparent weight is negative and the object is said to be "lighter than air". then ρobject < ρfluid
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