What is the cause of the upthrust?At which point it can be considered to act?
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Upthrust force is caused due to difference of pressures between lower and upper surfaces of the immersed body in a fluid.
Upthrust force acts on lower surface of the immersed body in upward direction.
Upthrust force acts on lower surface of the immersed body in upward direction.
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it is the upward force acting on a body when placed in a material medium.it acts perpendicular to the surface
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