Question

what is buoyant force? ​

Answer 1

Buoyancy or upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the pressure at the bottom of a column of fluid is greater than at the top of the column.

Answer 2

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The upthrust(force acting upwards) exerted by the liquid on the solid by when it is immersed in liquid is called buoyant force.