Determine the resultant force that both of these liquids exert on the side abc of the tank12/15/2023 If the object is less dense than the liquid, the force can keep the object afloat. ![]() the displaced fluid.įor this reason, an object whose average density is greater than that of the fluid in which it is submerged tends to sink. The magnitude of the force is proportional to the pressure difference, and (as explained by Archimedes' principle) is equivalent to the weight of the fluid that would otherwise occupy the submerged volume of the object, i.e. The pressure difference results in a net upward force on the object. Similarly, the pressure at the bottom of an object submerged in a fluid is greater than at the top of the object. Thus the pressure at the bottom of a column of fluid is greater than at the top of the column. ![]() ![]() In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Buoyancy ( / ˈ b ɔɪ ə n s i, ˈ b uː j ə n s i/), or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object.
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