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प्रश्न
What is upthrust ?
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उत्तर
Upthrust (buoyant force) is the upward force exerted by a liquid when an object is immersed in it.
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संबंधित प्रश्न
A body X sinks in water, but a body Y floats on water. The density of the body X is ......... than the density of body Y.
What is meant by pressure? State its S.I. unit.
Complete the following sentence :
Pressure is .................... in all directions about a point in a liquid.
The S.I. unit of pressure is :
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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.
A homogeneous block floats on water (a) partly immersed (b) completely immersed. In each case state the position of centre of buoyancy B with respect to the centre of gravity G of the block.
Define atmospheric pressure diving suits. Does a diving suit create buoyancy?
The upward force that is caused due to the pressure difference in liquid (or fluid) is called ______.
The center of gravity of the floating body and the center of buoyance are in the same ______ line.
