A load is suspended from a balloon filled with warm air. At the maximum lift height, the mass of air displaced
| August 16, 2021 | education
A load is suspended from a balloon filled with warm air. At the maximum lift height, the mass of air displaced by the balloon is 1.equal to the mass of warm air in the balloon 2.equal to the mass of the balloon shell 3.equal to the mass of the load that lifts the balloon 4.equal to the mass of the balloon with the load
The balloon has a lift equal to the weight of the displaced air. At the highest point of ascent, the lifting force of the ball will be balanced by gravity, since gravity acts both on the ball itself and on the payload, then the correct answer is 4): the mass of the air displaced by the ball is equal to the mass of the ball with the load.
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