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a 45N lithograph is supported by two wires. One wire makes a 25 angle with the vertical and the other makes a 15 angle with the vertical. find the tension in each wire

  • Physics - ,

    The horizontal compnents of the tension forces cancel.
    T1*sin25 -T2*sin15 = 0

    The vertical components of the tension force add up to the weight.
    T1*cos25 + T2cos15 = 45

    Solve those two simultaneous equations.

    T2 = 1.6329*T1

    Substitute that in the second equation and solve for T1.

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