(3.1/4.1)*240*(3.1/2) = (1/4.1)*240*(1.1/2) + 445x
x = 0.56
A uniform plank of length 4.1 m and weight 240 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 445 N walk on the overhanging part of the plank before it just begins to
tip?
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