Physics, asked by rahul5733, 1 year ago

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Answered by ashiksufaid
1
a)they both work using the principle of boency.
b)the weight of any substance decreases when it is in water.that is why bucket can be easily lifted when it is in water.
Answered by ranjanalok961
2
lactometer And hydrometer are based on Archimedes' principle. 

In water buoyancy force exerted on bucket in upward direction so its easily lifted .
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