The mass of the fabric of a large balloon is 100kg. The balloon is inflated with 200cm³ of helium. The balloon is attached to a...

The mass of the fabric of a large balloon is 100kg. The balloon is inflated with 200cm³ of helium. The balloon is attached to a cable fixed to the ground as shown.
(Density of air and helium are 1.25kg/m³ and 0.2kg/m³ respectively)

i) Indicate all the forces acting on the system.
ii) If the system is at equilibrium, write an equation relating the three forces in (i) above.
iii) Calculate the upthrust on the balloon.

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sharon kalunda answered the question on May 31, 2019 at 06:43

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