Asked by Anonymus
A block with a relative density of 0.7 is held under water. The buoyant force acting on the block is: a)greater than Fg b)equal Fg c) less than Fg d)equal to the force needed to hold it underwater.
Answers
Answered by
Damon
buoyant force up = weight down + force down from hand
rho * V * g = m g + F
so
rho * Volume * g > weight
If you have to hold it down, its buoyancy is greater than its weight :)
rho * V * g = m g + F
so
rho * Volume * g > weight
If you have to hold it down, its buoyancy is greater than its weight :)
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