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प्रश्न
What is the cause of buoyant force ?
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उत्तर
Buoyant force is exerted by the pressure difference in the surrounding medium caused by gravity.
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संबंधित प्रश्न
What is upthrust ?
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
How does the density of a body and that of a liquid determine whether the body will float or sink into that liquid?
Define the term thrust. State its S.I. unit.
How does the liquid pressure on a diver change if :
The diver moves horizontally?
Prove that the loss in weight of a body when immersed wholly or partially in a liquid is equal to the buoyant force (or upthrust) and this loss is because of the difference in pressure exerted by liquid on the upper and lower surfaces of the submerged part of body.
Calculate the hydrostatic pressure exerted by water at the bottom of a beaker. Take the depth of water as 40 cm, the density of water 1000 kgm−3 and g = 9.8 ms−2.
What is meant by up thrust?
How is thrust different from pressure?
The center of gravity of the floating body and the center of buoyance are in the same ______ line.
