Question

What is upthrust Force ??​

Answer 1

An object that is partly, or completely, submerged experiences a greater pressure on its bottom surface than on its top surface. This causes a resultant force upwards. This force is called upthrust . ... The upthrust force is equal in size to the weight of the fluid displaced by the object.

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Answer 2

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• Buoyancy or upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object.
• It is the force that pushes an object up.
• The upthrust, or buoyancy, keeps ships afloat.
• The upthrust, or buoyancy, keeps swimmers on top of the water.