A boy carries a fish in one hand and a bucket (not full) of water in the other hand. If he places the fish in the bucket, the weight now carried by him (assume that water does not spill):
A
is less than before
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B
is more than before
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C
is the same as before
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D
depends upon his speed
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Solution
The correct option is B is the same as before Buoyant force on fish due to water will be equal and opposite to the force on water by fish. These two forces are internal forces for the fish bucket system. Hence, they will not affect the weight the boy carries.