Verified Solution • 2025–26 Session moderate

QJEEM25Phb9ac: JEE Main 2025 Physics - Class 11 JEEM25Phb9ac Solution: A balloon and its content having mass M is moving up with an…

A balloon and its content having mass M is moving up with an acceleration ‘a’. The mass that must be released from the content so that the balloon starts moving up with an acceleration ‘3a’ will be

(Take ‘g’ as acceleration due to gravity)

Multiple Choice Options

  • A 3Ma2a+g\frac{3Ma}{2a + g}
  • B 2Ma3a+g\frac{2Ma}{3a + g}
  • C 3Ma2a−g\frac{3Ma}{2a - g}
  • D 2Ma3a−g\frac{2Ma}{3a - g}

Step-by-Step Verified Solution

JEE Main 2025 (Online) 28th January Evening Shift Physics - Laws of Motion Question 1 English Explanation

F−mg=maF=ma+mgF−(m−x)g=(m−x)3a Put F Ma+mg−mg+xg=3ma−3xax=2ma g+3a

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