A balloon filled with a lighter gas occupies a volume of 1500 cubic m .It’s mass (mass of balloon + mass of gas in it) is 1650 kg.It is tied with a thread and floating in the air of density is 1.3 kg/cubic m . The pull on the thread tied to rope is what ?

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Solution

The balloon is floating in the air it means the upthrust exerted by the air is equal to the weight of balloon .i.e
1650 x 9.8=16170 N

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A balloon filled with a lighter gas occupies a volume of 1500 cubic m .It’s mass (mass of balloon + mass of gas in it) is 1650 kg.It is tied with a thread and floating in the air of density is 1.3 kg/cubic m . The pull on the thread tied to rope is what ?

The balloon is floating in the air it means the upthrust exerted by the air is equal to the weight of balloon .i.e 1650 x 9.8=16170 N

The balloon is floating in the air it means the upthrust exerted by the air is equal to the weight of balloon .i.e
1650 x 9.8=16170 N