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Buoyant force = volume of liquid expelled x density of liquid x acceleration due to gravity

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Q: What is an formula for an buoyant force?
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Related questions

What is the relationship between buoyant force and gravity?

buoyant force is always or equal to the force exerted by gravity. that's why an object floats.


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 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?

Buoyant force is directly proportional to the density of the liquid. as the density of the liquid increases, the Buoyant force increases.


What are the factors of buoyant force?

The buoyant force depends on the volume of liquid displaced and the density of the liquid.


Which term describes the upward push of a fluid on an object in the fluid?

the 'buoyant' force


What happens if the buoyant force decreases?

As buoyant force decreases then the body starts sinking down.


How do you derived formula of buoyant force?

well it's easy..:D we consider a cylindrical portion of a liquid and find that on an average the object(water itself) remains stationary. This gives us an idea that the upward force(buoyant force) equals the gravitational force. Therefore the buoyant force in this case is the "mg" itself but in fluids we talk in terms of the volume and density so it is V(rho)g. Plus this buoyant force in any case is independent of the object coz' it is fundamentally rooted to the Brownian motion and striking of the particles on the object which leads to the upward force. So it only depends on the volume of the object. And the buoyant force is defined as Volume *density of liquid*g.


What is the relationship between density of a liquid and the buoyant force exerted on the mass?

buoyant force = density of the liquid*Volume*gravity. so the buoyant force is directly proportional to the density of a liquid.


Is buoyant force a contact force?

The buoyant force is a contact force, exerted by contact with a liquid that displaces the liquid within a gravity field. No contact, no force.


What is the effect of buoyant force on the weight of a body which is emerged in a liquid?

Buoyant force reduces the weight of the body


What are the 2 factors of buoyant force?

The buoyant force depends on the volume of liquid displaced and the density of the liquid.