Solution of task 1.4.2 from the collection of Kepe OE

Solution of task 1.4.2 from the collection of Kepe OE

1.4.2
A cargo of 1 weight of 60N is held in balance by the rods AC, BC and DC, pivotally connected at point C, and by a rope thrown through block E at an angle? = 30 °. Determine the force in the DC rod if the angle? = 45 °. (Answer -73.5)

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