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Q.

Is it true that an iron bag is heavier than a bag of cotton, if both the bags weigh 100 kg?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
An iron bag is heavier than a cotton bag, even if both bags have equal weight. This is because an iron bag experiences less upward force than a cotton bag. The upward force is also known as upthrust. Thrust is a force which acts on an object perpendicular to the surface. The SI unit of thrust is Newton (N). Also, iron bags' density is more than cotton bags.
 
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