does the force the water exerts against the bottom of the stick change if you shove the stick deeper in the water? try and see! push the stick deeper in the water. what happens when you release it? why?



Answer :

The upward force, or buoyancy, acting on an object in water is equal to the weight of the water displaced by the object. All objects in water have a buoyant force that pushes them against gravity.

Buoyancy is produced by the pressure that a liquid exerts on an object. Pressure increases with depth, so the pressure on the bottom of the object will always be greater than the force on the top, resulting in a net upward force. Buoyancy exists whether an object is floating or submerged.

This is the hydrostatic pressure that acts to balance the concentration of water on both sides of a membrane that is impermeable to substances dissolved in water. Water moves along a concentration gradient. In fluid mechanics, displacement occurs when a large part of an object is submerged in a fluid.

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