Gold, whose mass is 193 grams is in kerosene having an upward force of 8000 dynes. The volume of the object in fluid (water) is equal to the volume of fluid (water) moved.Ĭomparison of the volume of the object in seawater and in river water:Ĥ. If the object is floating t hen buoyant force (F B ) = weight (w):Īrchimedes ‘ principle states that the buoyant force acting on an object in fluid (water) is equal to the weight of the fluid (water) it displaces. comparison of the volume of the object is in seawater and in river water. Wanted: C omparison of the volume of the object is in seawater and in river water. Determine comparison of the volume of the object is in seawater and in river water.ĭensity of river water (ρ 2) = 1000 kg/m 3 T he density of seawater is 1100 kg/m 3, the density of river water is 1000 kg/ m 3. A ship sailing in the sea enters a wide and deep river. Object’s weight in fluid = 100 Newton – 15 Newtonģ. Object’s weight in liquid = 100 Newton – buoyant forceį A = buoyant force = the force exerted by the liquids on the object in waterį A = ρ g V = ( 1 kg/m 3 )(10 m/s 2 )(1.5 m 3 ) = 15 kg m/s 2 = 15 Newton Object’s weight in liquid = object’s weight in air – buoyant force Increase in volume of liquid = volume of the object in liquid (V) = 1.5 m 3 If specific weight of the liquid is 10 N/m 3, what is the weight of the object in liquid. Read : Circular motion – problems and solutionsĢ.
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