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Atwood Machine pulley homework

  1. Jun 9, 2014 #1
    1. The problem statement, all variables and given/known data
    A pulley with mass Mp and a radius Rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
    Mass M2 is larger than mass m1. The quantities Tn and g are magnitudes.
    1) The magnitude of the acceleration of m1 is ..... that of M2.
    2) T1 is ..... T2;
    3) T3 is ..... m1g + M2g + Mpg.
    4) The C.M. of Mp+M1+M2 accelerates.
    5) T3 is ..... T1 + T2
    6) T1 is ..... m1g.
    Each has the options of True/False/Less than/Greater than/Equal to

    2. The attempt at a solution
    1) Equal to
    2) Greater than
    3) Equal to
    4) False
    5) Greater than
    6) Equal

    Attached Files:

  2. jcsd
  3. Jun 9, 2014 #2
    Hey there -- could you explain your reasoning for each of your answers? It's policy for the forums, and it helps us determine whether your answers are correct.
  4. Jun 9, 2014 #3
    Nevermind!!! I was able to figure out the answer. It was:
    1) equal to
    2) less than
    3) less than
    4) true
    5) greater than
    6) greater than
  5. Jun 9, 2014 #4
    I think you still have one incorrect answer.
  6. Jun 9, 2014 #5


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    Gold Member

    I agree. I see one answer that doesn't agree with the situation.
  7. Jun 11, 2014 #6
    It is online homework and the program said all my answers were correct.
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