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JEE Main 2002 (AIEEE) · Connected Bodies & Pulleys

Connected Bodies & Pulleys question from JEE Main 2002 (AIEEE)

Q48JEE Main 2002 · AIEEEEasy

Connected Bodies & Pulleys

A light string passing over a smooth light pulley connects two blocks of masses m1m_1 and m2m_2 (vertically). If the acceleration of the system is g/8g/8, then the ratio of the masses is

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Answer: (b)

  1. m1−m2m1+m2=18\dfrac{m_1 - m_2}{m_1 + m_2} = \dfrac{1}{8} (taking m1m_1 as the heavier mass)
  2. 8m1−8m2=m1+m2⇒7m1=9m28m_1 - 8m_2 = m_1 + m_2 \Rightarrow 7m_1 = 9m_2
  3. Ratio of masses =9:7= 9 : 7, so the answer is (b).
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