ICSE /Class 9
Physics MCQ Based On Floatation
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ICSE Class 9 Physics Floatation
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Upthrust of the body depends on the volume of the body submerged in liquid and the liquid's density.
A body immersed in a liquid is acted upon by an upward force called upthrust
The large volume of the body means greater upthrust acting on it
A stone falls faster than a bunch of feathers
In Turpentine, an immersed body is acted upon by a minimum upthrust.
The property of a liquid to exert an upward force on an immersed body is called Buoyancy.
Multiply volume with (rho) 1000 and g to get the buoyant force.
hot and filled air
Seawater is denser than river water. The upthrust due to seawater will be greater than that due to river water at the same level.
(i) The body will sink if >
(ii) The body will float if \\(\\leq \\)
density
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