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Two masses of 1 kg and 5 kg are attached to the ends of a massless string passing over a pulley of negligible weight. The pulley itself is attached to a light spring balance as shown in the figure. The masses start moving during this interval, the reading of spring balance will be 
  • a)
    more than 6 kg 
  • b)
    less than 6 kg 
  • c)
     equal to 6 kg 
  • d)
    none of the above
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Two masses of 1 kg and 5 kg are attached to the ends of a masslessstri...
Applying the 2nd law of motion,
Equating all forces on the string carrying the 2 blocks we get T = 5g/3
The tension in spring balance = 2T
So, the reading is the mass = T/g = 10/3 Kg < 6Kg
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Most Upvoted Answer
Two masses of 1 kg and 5 kg are attached to the ends of a masslessstri...
Applying the 2nd law of motion,
Equating all forces on the string carrying the 2 blocks we get T = 5g/3
The tension in spring balance = 2T
So, the reading is the mass = T/g = 10/3 Kg < 6Kg
Free Test
Community Answer
Two masses of 1 kg and 5 kg are attached to the ends of a masslessstri...
Read the full question once again. here we want to find the reading of spring balance not tension instead of using tension formula use your common sense. on one side of spring balance has 1kg mass on other side 5 kg mass hence the reading of spring balance would be less than 6


I hope it will help you *
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Two masses of 1 kg and 5 kg are attached to the ends of a masslessstring passing over a pulley of negligible weight. The pulley itself is attached to a light spring balance as shown in the figure. The masses start moving during this interval, the reading of spring balance will bea)more than 6 kgb)less than 6 kgc)equal to 6 kgd)none of the aboveCorrect answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Two masses of 1 kg and 5 kg are attached to the ends of a masslessstring passing over a pulley of negligible weight. The pulley itself is attached to a light spring balance as shown in the figure. The masses start moving during this interval, the reading of spring balance will bea)more than 6 kgb)less than 6 kgc)equal to 6 kgd)none of the aboveCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two masses of 1 kg and 5 kg are attached to the ends of a masslessstring passing over a pulley of negligible weight. The pulley itself is attached to a light spring balance as shown in the figure. The masses start moving during this interval, the reading of spring balance will bea)more than 6 kgb)less than 6 kgc)equal to 6 kgd)none of the aboveCorrect answer is option 'B'. Can you explain this answer?.
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