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Two block of mass 5 kg and 2 kg are kept one above the other on the floor of lift. Which is accelerating in downward with an acceleration of 3 m/sec2. Find the normal reaction between two blocks.
  • a)
    49 N
  • b)
    36 N
  • c)
    24 N
  • d)
    14 N
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Two block of mass 5 kg and 2 kg are kept one above the other on the fl...
Let us draw the free body diagram of two blocks.

Both the blocks are accelerating with 3 m/sec2 in downward direction. 
Applying Newton's second law
2 g - N1, = 2 * 3 = 6
5g + N1 - N2 = 15  
⇒ 7g - N2 = 21
N= 49
N = 14, so normal reaction between two bodies is 14N.
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Two block of mass 5 kg and 2 kg are kept one above the other on the floor of lift. Which is accelerating in downward with an acceleration of 3 m/sec2. Find the normal reaction between two blocks.a)49 Nb)36 Nc)24 Nd)14 NCorrect answer is option 'D'. Can you explain this answer?
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Two block of mass 5 kg and 2 kg are kept one above the other on the floor of lift. Which is accelerating in downward with an acceleration of 3 m/sec2. Find the normal reaction between two blocks.a)49 Nb)36 Nc)24 Nd)14 NCorrect answer is option 'D'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about Two block of mass 5 kg and 2 kg are kept one above the other on the floor of lift. Which is accelerating in downward with an acceleration of 3 m/sec2. Find the normal reaction between two blocks.a)49 Nb)36 Nc)24 Nd)14 NCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two block of mass 5 kg and 2 kg are kept one above the other on the floor of lift. Which is accelerating in downward with an acceleration of 3 m/sec2. Find the normal reaction between two blocks.a)49 Nb)36 Nc)24 Nd)14 NCorrect answer is option 'D'. Can you explain this answer?.
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