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Two masses m1 and m2 which are connected with a light string, are placed over a frictionless pulley. This set up is placed over a weighing machine, as shown. Three combination of masses m1 and m2 are used, in first  case m1 = 6 kg and m2 = 2 kg, in second case m1 = 5 kg and m2 = 3kg and in third case m1 = 4 kg and m2 = 4 kg.  Masses are held stationary initially and then released. If the readings of the weighing machine after the release in three cases are W1, W2 and W3 respectively then :
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Two masses m1 and m2 which are connected with a light string, are plac...
Net weight showing in the weighing machine will be equal to the tension in string on both sides i.e. on the side of m1​ and m2​.
Therefore, W= 2T
Now, from the block diagram,
m1​g−T=m1​a
T−m2​g=m2​a
Therefore,
2T = (m1​+m2​)g/m1​m2​​
Now,
W1​=6+ 22 x 6 ​x 2​​g=3g
W2​=5+ 32 x 5​ x 3​​g=3.75g
W3​=4+ 42 x4​ x 4​​g=4g
Therefore,
W1​<W2​<W3​ 
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Two masses m1 and m2 which are connected with a light string, are plac...
Net weight showing in the weighing machine will be equal to the tension in string on both sides i.e. on the side of m1​ and m2​.
Therefore, W= 2T
Now, from the block diagram,
m1​g−T=m1​a
T−m2​g=m2​a
Therefore,
2T = (m1​+m2​)g/m1​m2​​
Now,
W1​=6+ 22 x 6 ​x 2​​g=3g
W2​=5+ 32 x 5​ x 3​​g=3.75g
W3​=4+ 42 x4​ x 4​​g=4g
Therefore,
W1​<W2​<W3​ 
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Two masses m1 and m2 which are connected with a light string, are placed over a frictionless pulley. This set up is placed over a weighing machine, as shown. Three combination of masses m1 and m2 are used, in first case m1 = 6 kg and m2 = 2 kg, in second case m1 = 5 kg and m2 = 3kg and in third case m1 = 4 kg and m2 = 4 kg. Masses are held stationary initially and then released. If the readings of the weighing machine after the release in three cases are W1, W2 and W3 respectively then :a)b)c)d)Correct answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Two masses m1 and m2 which are connected with a light string, are placed over a frictionless pulley. This set up is placed over a weighing machine, as shown. Three combination of masses m1 and m2 are used, in first case m1 = 6 kg and m2 = 2 kg, in second case m1 = 5 kg and m2 = 3kg and in third case m1 = 4 kg and m2 = 4 kg. Masses are held stationary initially and then released. If the readings of the weighing machine after the release in three cases are W1, W2 and W3 respectively then :a)b)c)d)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two masses m1 and m2 which are connected with a light string, are placed over a frictionless pulley. This set up is placed over a weighing machine, as shown. Three combination of masses m1 and m2 are used, in first case m1 = 6 kg and m2 = 2 kg, in second case m1 = 5 kg and m2 = 3kg and in third case m1 = 4 kg and m2 = 4 kg. Masses are held stationary initially and then released. If the readings of the weighing machine after the release in three cases are W1, W2 and W3 respectively then :a)b)c)d)Correct answer is option 'B'. Can you explain this answer?.
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