AMU Engineering 2017 solved paper Solved Paper

Section: Physics

Question : 4 of 150

Marks: +1, -0

A balloon has a mass of 10 gram in air. The air escapes from the balloon at a uniform rate with a velocity of 5cm∕s and the balloon shrinks completely in 2.5s. The average force acting on the balloon will be

200 dyne
20 dyne
20 newton
2000 dyne

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