Contact forces are forces that act at a point of contact between two objects. Buoyant force is an example of a contact force.
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No, buoyancy is not a contact force. It is a force exerted by a fluid (such as water or air) on an object immersed in it and acts in the opposite direction to gravity.
If it did, then you would feel heavier in water than you feel out of water.
Buoyant force always acts in the direction opposite to the force of gravity.
Buoyant force depends on the density of the liquid in which you immerse an object.
Buoyancy is a contact force that acts on an object submerged in a fluid. It arises from the pressure difference between the top and bottom of an object.
No, vacuum does not have a buoyancy force because buoyancy is a result of differences in pressure within a fluid. In a vacuum, there is no fluid to exert pressure so there is no buoyant force.
The force that acts against the force of buoyancy is gravity. Buoyancy is the upward force exerted by a fluid that opposes the weight of an object immersed in the fluid. Gravity, on the other hand, pulls objects downwards.
The volume of the displaced fluid is the most significant factor influencing buoyancy force. This is because buoyancy force is directly proportional to the volume of fluid displaced by an object.
Buoyancy force is the upward force exerted by a fluid on an object immersed in it. It counteracts the weight of the object, causing it to float or feel lighter. The magnitude of the buoyancy force depends on the volume of the object displaced in the fluid.