Question: The jib crane shown is oriented so that its boom AD is parallel to the x axis and is used to move a heavy crate.

The jib crane shown is oriented so that its boom AD is parallel to the x axis and is used to move a heavy crate. Knowing that the tension in cable AB is 10.5Kn, replace the force exerted by the cable at A with an equivalent force-couple system at the center O of the base of the crane.

4.75 m

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