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A balloon of mass M is rising up with an acceleration a. If a mass m is removed from the balloon, its acceleration becomes:
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A balloon of mass M is rising up with an acceleration a. If a mass m ...
The forces acting on the balloon are its weight acting downwards and upthrust F acting upwards.
Thus F - Mg = ma ...(i)
When mass m is removed, we have
F - (M - m) g = (M - m) a' ...(ii)
where a' is the new acceleration. Eliminating F from (i) and (ii) and simplifying we get a'
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A balloon of mass M is rising up with an acceleration a. If a mass m is removed from the balloon, its acceleration becomes:a)b)c)d)Correct answer is option 'A'. Can you explain this answer?
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