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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
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
Fill in the blank with suitable word :
It is the................. force which makes objects appear lighter in water.
When a boat is partially immersed in water, it displaces 600 kg of water. How much is the buoyant force acting on the boat in newtons ? (g = 10 m s-2)
Define the term relative density of a substance.
Complete the following sentence.
Mass = .................... × density
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.
What do you mean by buoyancy?
Is pressure a vector quantity?
A body will sink if the weight of the body is greater than the buoyant force.
State whether true or false. If false, correct the statement.
The weight of fluid displaced determines the buoyant force on an object.
