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प्रश्न
Why is a force needed to keep a block of wood inside water?
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उत्तर
A force is required to hold a block of wood in water because the upthrust caused by water on the block when fully submerged surpasses its weight.
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संबंधित प्रश्न
What is the scientific name of the 'upward force' acting on an object immersed in a liquid?
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Define buoyant force. Name two factors on which buoyant force depends.
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Explain the meaning of the statement
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- the pressure on piston A,
- the pressure on piston B, and
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Complete the analogy.
Downward force: Weight:: Upward force offered by liquid: _____
The point at which the force of buoyancy is supposed to act is known as ______.
