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JEE Main PAPER - 1

JEE Main · 2018

180 questions · One at a time

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6
MCQ4 marks

Two masses m1=5 kgm_1 = 5 \text{ kg}   and m2=10 kgm_2 = 10 \text{ kg}  , connected by an inextensible string over a frictionless pulley, are moving as shown in the figure. The coefficient of friction of horizontal surface is 0.15. The minimum weight mm   that should be put on top of m2m_2   to stop the motion is:

  • A.43.3 kg43.3 \text{ kg}
  • B.10.3 kg10.3 \text{ kg}
  • C.18.3 kg18.3 \text{ kg}
  • D.27.3 kg27.3 \text{ kg}Correct
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