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anonymous

  • 4 years ago

check this link

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  1. anonymous
    • 4 years ago
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    http://studyforexams.blogspot.in/2009/09/tata-mcgraw-hill-book-for-ntse.html

  2. anonymous
    • 4 years ago
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    I have many doubts from this book.

  3. anonymous
    • 4 years ago
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    Why?

  4. anonymous
    • 4 years ago
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    For NTSE

  5. anonymous
    • 4 years ago
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    But it's over rite? U could have cleared in FIITJEE.

  6. anonymous
    • 4 years ago
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    In the search box, please type " three equal weights of mass" to get to the question

  7. anonymous
    • 4 years ago
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    if u have doubts post question by question in some group

  8. anonymous
    • 4 years ago
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    For stage 2

  9. anonymous
    • 4 years ago
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    It has a diagram

  10. anonymous
    • 4 years ago
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    Ok, no problem. The question is based on tension in the string. Can you please explain what it is?

  11. anonymous
    • 4 years ago
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    |dw:1329839237758:dw|

  12. anonymous
    • 4 years ago
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    Three equal weights of mass 2 kg each are hanging on a string passing over a fixed pulley as shown in the figure. The tension in the string connecting the weight B and C is

  13. anonymous
    • 4 years ago
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    4 * 10 = 40N? Is it correct?

  14. anonymous
    • 4 years ago
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    Answer given is 13N

  15. anonymous
    • 4 years ago
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    OOOOOOOOOOOOOOOOO

  16. anonymous
    • 4 years ago
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    But how to proceed? I am getting confused.

  17. anonymous
    • 4 years ago
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    Can anyone help please?

  18. anonymous
    • 4 years ago
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    i will get back to this it wud be nice if u post thsi as a question in physics group clearly with the diagram

  19. anonymous
    • 4 years ago
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    Ok

  20. anonymous
    • 4 years ago
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    |dw:1329929565452:dw| what i have done aBOVE is FREE-BODY DIAGRAM showing all forces acting on the bodies T-mg=ma mg+t-T=ma mg-t=ma solve for 3 unknown now how to determine the forces acting on a body? clue 1: all are accelearting with same'a' 2: look for the immediate bodies in contact with the body u are drawing for 3:TENSION ALWAYS PULLS 4:put urself in the position of the weights and see who is pulling u where?