kg steps onto the left end of the beam and begins walking to the right
as in the figure below. The goal is to find the woman's position when
the beam begins to tip.
(a) Sketch a free-body diagram, labeling the gravitational and normal
forces acting on the beam and placing the woman x
meters to the right of the first pivot, which is the origin. (Do this
on paper. Your instructor may ask you to turn in this work.)
(b) Where is the woman when the normal force n1
is the greatest?
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