which is heavier 1kg. of iron or 1kg. of cotton?and why?
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Answer Posted / himanshu batra
1 kg of cotton is heavier than
Iron... As cotton occupied more
space and displaced more air so
upthrust force on cotton is more
than iron.. So to make 1 kg of
cotton in actual more than 1 kg of
cotton is used to counter balance
the upthrust force...
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