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A 12 m ladder whose weight is 261 N is placed against a smooth vertical wall. A person whose weight is 810 N stands

A 12 m ladder whose weight is 261 N is placed against a smooth vertical wall. A person whose weight is 810 N stands on the ladder a distance 5.1 m up the ladder. The foot of the ladder rests on the floor 3.24 m from the wall. Calculate the force exerted by the wall. Answer in units of N.

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