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Grade: 12th pass
        If a balloon rising upward with some acceleration(a) then due to acceleration due to gravity nett acceleration on balloon is (g-a) ,but in some question they consider nett acceleration on balloon is (a) only. why (g-a) not consider????
one year ago

Answers : (1)

Piyush Kumar Behera
385 Points
							
SEE the acceleration a has come from Net force/mass  
And now the net force has already included the gravitational force 
THEN why you will again consider g.
so the acceleration of the ball ia a
Hope it helps!!Please upvote!!
one year ago
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