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प्रश्न
A piece of wood floats on water. The buoyant force on wood will be
विकल्प
zero
more than the weight of the wood piece
equal to the weight of the wood piece
less than the weight of the wood piece.
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उत्तर
equal to the weight of the wood piece.
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संबंधित प्रश्न
The buoyant force experienced by a body when floating in saltwater is ....... to or same that of when floating in pure water.
Define buoyant force. Name two factors on which buoyant force depends.
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
A dam has broader walls at the bottom than at the top. Explain.
What is the cause of upthrust? At which point can it be considered to act?
A piece of wood if left under water comes to the surface. Explain the reason.
A small block of wood is completely immersed in (i) water, (ii) glycerine and then released. In each case, What do you observe? Explain the difference in your observation in the two cases.
Complete the following sentence.
Mass = .................... × density
What is meant by up thrust?
State whether true or false. If false, correct the statement.
The weight of fluid displaced determines the buoyant force on an object.
