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Math Help - physics help on pulleys with 2 cables

  1. #1
    Junior Member
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    physics help on pulleys with 2 cables

    An assembly shown in the picture, GH , HK, HNL are three cables. the mass of box L is 52Kg,
    a) determine the mass of box K in order to make angle theta as 25 degrees
    b) determine the reaction forces at supports G and N
    c) calculate required cable diameter when tensile strength of the cable is 20MPa

    have no clue about this question please help?
    diagram in link
    http://i1152.photobucket.com/albums/...6/Untitled.png
    thankyou
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  2. #2
    Senior Member BAdhi's Avatar
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    Gampaha, Sri Lanka
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    Re: physics help on pulleys with 2 cables

    try to draw force diagrams on objects, joints and the pulley from the rope and the gravity, on your diagram itself first.
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