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Liquids, primarily water on the earth, and gasses, air, tend to form spheres in the absence of altering forces. The sphere is created by gravity naturally, where the forces acting around the center of gravity on the surface of the sphere are in equilibrium anywhere on the surface of the sphere. By introducing a solid mass on the surface of the sphere, which is less dense than the material of the sphere, it displaces that material creating a new surface further from the center of gravity of the sphere. The gravity acting on this new layer wants to pull the fluid back to it's original spherical shape by attempting to displace the solid object. Thus this downward force created is countered by an upward force of the fluid on the solid object it is trying to displace.
**If the object were more dense than the fluid it would be drawn to the center of gravity, sink, thus the new surface of the fluid would again be in equilibrium.
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What is the upward force of displaced fluid causing flotation?
The upward force of displaced fluid that causes flotation is called buoyant force. This force is equal to the weight of the fluid that is displaced by the object placed in the fluid. When this buoyant force is greater than the weight of the object, the object will float.
What force allows us to float?
The buoyant force, which is exerted by a fluid (like water or air) on an object immersed in it, allows objects to float. This force is equal to the weight of the fluid displaced by the object, causing it to experience an upward force that balances its weight, resulting in flotation.
What is the principle of flotation?
weight of displaced fluid = weight of object
How does buoyancy affect fluid?
Buoyancy is the upward force exerted on an object immersed in a fluid, such as water or air. This force is equal to the weight of the fluid displaced by the object. Objects that are less dense than the fluid will experience a net upward force, causing them to float. Conversely, objects that are more dense will sink.
How are displacement and buoyant force related?
Displacement is the volume of fluid displaced by an object immersed in it, while buoyant force is the upward force exerted on an object immersed in fluid due to the displaced fluid. The magnitude of the buoyant force is equal to the weight of the displaced fluid, which is directly related to the volume of fluid displaced, or the object's displacement.
How do we know that a fluid exerts an upward force on an object submerged in the fluid?
When an object is submerged in a fluid, the fluid exerts an upward force on the object due to the pressure difference between the top and bottom of the object. This upward force is known as buoyant force and is equal to the weight of the fluid displaced by the object. This is known as Archimedes' principle, which states that the buoyant force is equal to the weight of the fluid displaced by the object.
What is the upward force that acts on an object that is submerged in a fluid?
The upward force acting on an object submerged in a fluid is called buoyant force. It is equal to the weight of the fluid displaced by the object.
Who discovered the law of flotation?
The law of flotation was discovered by Archimedes, a Greek mathematician and scientist, in the 3rd century BC. He determined that an object will float in a fluid if the weight of the fluid displaced by the object is equal to the weight of the object itself.
Which term describes the upward push of a fluid on an object in the fluid?
Buoyancy is the term that describes the upward force that a fluid exerts on an object immersed in the fluid. This force is equal to the weight of the fluid displaced by the object.
What force is the upward force exerted on any object in a fluid?
The force is called buoyant force and it is equal to the weight of the fluid displaced by the object.
What is the force exerted on an object is equal to the weight of the fluid displaced?
buoyancy is the upward force that keeps things afloat. The net upward buoyancy force is equal to the magnitude of the weight of fluid displaced by the body. This force enables the object to float or at least seem lighter
What force makes a straw and clay ball float?
Buoyant force makes a straw and clay ball float. When an object is placed in a fluid, such as water, the fluid exerts an upward force on the object that is equal to the weight of the fluid displaced by the object, causing it to float.
