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Balancing torque problem

  1. Nov 19, 2005 #1
    Thx for the help everyone :D
     
    Last edited: Nov 20, 2005
  2. jcsd
  3. Nov 19, 2005 #2

    Astronuc

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    If the angle between rod and rope is 65°, then using sin (65°) for the component of rope tension normal to the rod is correct.

    Edit: Sorry about that, I was thinking of cos (25°) which would yield the same as sin (65°).
     
    Last edited: Nov 20, 2005
  4. Nov 19, 2005 #3
    Wait so in the above equation using sin 25 would be the correct one?
     
  5. Nov 19, 2005 #4

    lightgrav

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    NO, use r ft sin 65 , like you did.

    if the angle between the rod and the wire had been 90,
    it would have provided maximum torque possible (not zero).
     
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