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A boat of length 3m and breadth 2m is fl...

A boat of length 3m and breadth 2m is floating on water in a lake. When a man rides on the boat, it sinks 1 cm more. The mass of the man is

A

60 kg

B

72 kg

C

12 kg

D

128 kg

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The correct Answer is:
A
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CHHAYA PUBLICATION-HYDROSTATICS-EXERCISE
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  2. A cylindrical vessel contains water up to a height H. A hole is made o...

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  3. A tank contains water up to a height H. A hole is made at a depth h fr...

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  4. Of the following substances, which one can be lifted upwards with more...

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  5. A man is carrying a bucket of water in one hand and a piece of plastic...

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  6. A body remains floating in a liquid kept in a beaker. If the entire sy...

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  7. A body floats in a liquid fully submerged. If the body is pressed slig...

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  8. A bird is sitting on the floor of a wire cage. This cage is carried by...

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  9. A boat of length 3m and breadth 2m is floating on water in a lake. Whe...

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  10. A wooden block is floating on water in a closed vessel. If the entire ...

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  11. A body is floating on a liquid. The upthrust by the liquid acting on t...

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  12. A block of wood and a solid lead sphere are kept in a container with w...

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  13. Two solid pieces one of steel and other of aluminium when immersed com...

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  14. A man is sitting on a boat in a pond. If the man drinks some water fro...

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  15. A piece of ice is floating on a liquid of density 1.5g*cm^(-3) kept in...

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  16. A wooden block of mass 120 kg floats on water. The density of the wood...

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  17. A body with a uniform cross-section floats on a liquid. The density of...

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  18. A body remains floating in a liquid with a part of it immersed in the ...

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  19. With increase in temperature, the upthrust acting on a body immersed i...

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  20. A block of wood of mass m and density rho is tied with a thread and ri...

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