Why swap that force with an equivalent force-couple system

Reference no: EM1392575

Q. To keep a door closed, a wooden stick is wedged between the floor and the doorknob. The stick exerts at B a 45-lb force directed along line AB. Swap that force with an equivalent force-couple system at C.

Reference no: EM1392575

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Why swap that force with an equivalent force-couple system : To keep a door closed, a wooden stick is wedged between the floor and the doorknob. The stick exerts at B a 45-lb force directed along line AB. Swap that force with an equivalent force-couple system at C.

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