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Resolving parallel and perpendicular to the plane

  1. May 6, 2008 #1
    A rectangular block of mass 50kg is held by a rope on a rough surface inclined at 0.6 radians.
    Assume that the coefficient of static friction is 0.2, determine what force needs to be applied to the rope to keep the block from slipping.

    I did this by resolving parallel and perpendicular to the plane and found the the force required is196 N. however, i'm not sure of this. can someone please work this out and see if my answer is right.

    Thank you!
     
  2. jcsd
  3. May 6, 2008 #2

    HallsofIvy

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    That's what I get.
     
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