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The average density of a given body is less than the density of water (or salt water) in which the body is immersed. Gravity pulls down on the water around the body more than it pulls down on the body, so the body is sort of squirted up like a tomato seed between your fingers.
The weight of an object has no effect on the buoyant force; however the density does. Simply put, if a material is denser (heavier for the same volume) than water, it will sink. If less dense, it will float.
Obviously a steel ship floats - because it's effective total density is a combination of air and steel, making it - in total - lighter than water.
Following Archimedes principle, a floating object displaces the same weight in water as it weighs itself.
For any floating object, the amount of water displaced will be the same as the volume of the part of the object that is under water.
Buoyant force is the force that makes you float in the water. Our bodies have natural buoyant force, and so we float. Wet and some dry suits have buoyant force, so we would need weights to offset the buoyant force. This is why you need to inflate your BC before you dive. When I got certified, I learned that buoyant force allows you to go up faster.
The buoyancy force is a net force and is the result of the water exerting pressure on the object. Pressure is force per unit area.
Go to the other great Wikianswer in the Related Questions section below for a full understanding.
The buoyant force is created when you first put the object in water, and of course the object moves water out of its way to reach the bottom. However, the amount of water it would push away at the time is how much the buoyant force is. e.g: drop a shape with a volume of 6cm in water. That means there would be 6cm of water to fight back the shape.
That is how the buoyant force is created.
The principle that the net fluid force on a body submerged (or floating) in a stationary fluid is an upward force equal to the weight of the fluid displaced by the body
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Why does buoyant force act upward?
The buoyant force on an object submerged in a fluid is caused by the pressure difference between the top and bottom of the object. To overcome the gravitational force, the buoyant force acts in the upward direction. The larger pressure at greater depth pushes upward on the object.
Is there a buoyant force acting on you if there is why are you not buoyant up by this force?
Yes, there is a buoyant force acting on you when you are submerged in a fluid. However, whether you float or sink depends on the relationship between the buoyant force and your weight. If the buoyant force is greater than your weight, you will float; if it is less, you will sink.
Is the buoyant force of a metal equal to the buoyant force of a wood that has the same mass?
Buoyant force is based upon the mass of the water displaced. Therefore, two objects will have the same buoyant force if they have the some volumes.
What force is opposing the buoyant force?
The force opposing the buoyant force is the force of gravity. Gravity pulls objects downward, creating a force that must be overcome by the buoyant force in order for an object to float in a fluid.
What is an buoyant force?
A buoyant force equals the weight of the fluid being displaced
What is the relationship of buoyant force and density of liquid?
The buoyant force on an object submerged in a liquid is equal to the weight of the displaced liquid. The density of the liquid affects the buoyant force as denser liquids will exert a greater buoyant force on an object compared to less dense liquids.
What is the scientific definition of a buoyant force?
The buoyant force is an upward force exerted by a fluid on an object submerged in it, equal to the weight of the fluid displaced by the object. It is responsible for objects floating in a fluid or experiencing a net upward force when partially or fully submerged.
What is the effect of buoyant force on the ability an object has to float?
Buoyant force is the upward force exerted by a fluid on an object immersed in it. The buoyant force helps objects float by counteracting the force of gravity pulling the object down. Therefore, the greater the buoyant force acting on an object, the better its ability to float.
What is the relationship between density of a liquid and the buoyant force exerted on the mass?
The buoyant force exerted on an object immersed in a liquid is equal to the weight of the liquid displaced by the object. The buoyant force is directly proportional to the density of the liquid. Therefore, the denser the liquid, the greater the buoyant force it exerts on the object.
What are the factors of buoyant force?
The buoyant force depends on the volume of liquid displaced and the density of the liquid.
What is the force that is working against the buoyant force?
The force working against the buoyant force is gravity. Gravity pulls objects downward, while the buoyant force pushes objects upward when they are immersed in a fluid.
Does the weight of an object immersed in a buoyant liquid affect the buoyant force on the object?
The weight of an object immersed in a buoyant liquid does not affect the buoyant force on the object. The buoyant force is determined by the volume of the liquid displaced by the object, not by the weight of the object itself.
