Lessons

Eamcet Physics
1 st Year : Unit 3.1( Laws of Motion ) - Laws of Motion

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Q.

A balloon with its contents weighing 160 N is moving down with an acceleration of g/2 ms–2. The mass to be removed from it so that the balloon moves up with an acceleration of g/3 ms–2 is

View Answer

Correct choice: B

Explanation:

Mg – BF = M (g/2), BF – (M-x)g = (M-x) g/3
adding x = 5M/8
x=5/8×16=10kg removed.
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