A 15N block is immersed in a salt water (density = 1030 kg/m3). Determine the buoyant force acting on the block if the spring scale reads 11.8 N.
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The weight of the block is 15 N. If the scale says 11.8 N, there must be a buoyancy force of 3.2 N, not matter what the fluid densty or fractional immersion is.
1 answer