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zaphod

  • 3 years ago

Two masses are attached by a string and released from rest, so that they both can fall freely, ignore the air resistance and find the tension in the string while it is falling freely.

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  1. zaphod
    • 3 years ago
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    |dw:1347110975703:dw|

  2. zaphod
    • 3 years ago
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    @Callisto i need your help ;)

  3. zaphod
    • 3 years ago
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    |dw:1347111343455:dw| am i right

  4. zaphod
    • 3 years ago
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    @Callisto check if im right Applying f=ma for both particle (M and m ) taking downward as positive F = ma W-T+T+W = (M+m)a Mg - T + T + mg = (M+m)a g(M+m) = (m+M)a a = g Applying for object (M) W-T = Ma (a = g) Mg - T = Mg t = 0

  5. Vincent-Lyon.Fr
    • 3 years ago
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    The two falling masses are weightless relative to one another. Tension in the string is zero.

  6. Callisto
    • 3 years ago
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    I think you got it!

  7. zaphod
    • 3 years ago
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    thanks :)

  8. Callisto
    • 3 years ago
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    Actually... You did it yourself while I didn't help at all :S!

  9. zaphod
    • 3 years ago
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    :)

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