In a vessel a large block of wood is floating while an iron nail submerged. In this case the statement that is true is - a) the weight of the wooden block is equal to the buoyant force acting on it b) the weight of the wooden block is less than the buoyant force acting on it c) the weight of the submerged iron nail is less than the buoyant force acting on it d) the iron nail submerged because water did not exert any upward force on it.
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ANSWER IS OPTION (B) the weight of the wooden block is less than the buoyant force acting on it
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In this case the statement that is true is - b) the weight of the wooden block is less than the buoyant force acting on it.
- When a body is immersed in a liquid, then it displaces a certain volume of liquid. An upward force equal to the weight of the liquid displaced acts on the immersed body, which is called buoyant force.
- As the weight of the wood piece is less than the buoyant force acting on it, it will float rather than sink.
- The weight of iron is more than the buoyant force acting on it, hence it sinks.
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