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4 October, 12:14

Two window washers are on a scaffold. The scaffold weighs 70 lb, the man on the left weighs 180 lb, and the man on the right weighs 195 lb. The left support has a force of 310 lb in the cable. What is the force in the right cable?

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  1. 4 October, 14:06
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    F=135

    The right support have 135N force

    Explanation:

    Summation of the forces along y axis equals zero.

    Then, all the weights are acting downward except for the reaction acting upward.

    Let the right support be F

    -70-180-195+310+F=0

    -135+F=0

    F=135N. Upward
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