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There are several answering services that also have this question or similar ones on it. From answerbag.com, the question asked was: what is upthrust?

The answers were:

* Upthrust is the upward force exerted on an object in a fluid. It arises as a result of the difference in pressure exerted by the fluid on the surface of the object at different depth. * Up thrust is the force that pushes objects up and makes them seem to loose weight in a fluid (note - a fluid means a liquid or gas) When you are standing on the ground gravity keeps you down but upthrust stops you from falling into the earths core. In a way upthrust makes things hard!! Because if it didn't exist solids wouldn't be solid.An objects density effects how it floats. * Density = Mass * ------- * Volume * Upthrust is also called buoyancy. It is the upward force produced on an object in a fluid (such as air or water). The force is equal to the weight of the fluid displaced by the object. If that weight is greater than the weight of the object, the object will float in the fluid. If it is equal, it will sit suspended. If it is less, it will sink, but the object will weigh less than it would in a vacuum. Hence, it is easier to pick up a heavy object in water than in air - the amount of displaced water weighs more than the equivalent volume of air, therefore water produces a greater upthrust.

In wiki answers the question asked was:

= What does upthrust mean? = The answer was: Upthrust is a type of force that pushes upwards

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Wiki User

15y ago
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Wiki User

12y ago

The force upthrust is opposite to gravity. It pulls something up instead of down. For instance if you had a toy bird on a spring attached to the ceiling and pull it down it would bouce back up. That's upthrust

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Wiki User

12y ago

Yes! Also force of friction, gravity, magnetic force , surface tension and electric force! All these are forces! e.g (example) of upthrust; A piece of wood floats on water. It's kept up by a force called upthrust. The force is produced by water pushing on the wood from underneath.

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Wiki User

13y ago

'Upthrust' is a force.

"Force" can have any direction. When its direction is upward, then it may be

an upthrust ... you'd have to check further and see what's causing the force.

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Wiki User

15y ago

Weight is your mass and upthrust is the force that pushes you up in water.

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Wiki User

13y ago

by adding the values

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Wiki User

14y ago

change in pressure

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Anonymous

Lvl 1
3y ago

Frictional force

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Q: What is the reason for upthrust?
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