How far from the edge of the ledge can the beam extend

Reference no: EM13333552

A 10 m beam of mass 340 kg extends over a ledge. The beam is not attached, but simply rests on the surface. A 72 kg student intends to position the beam so that he can walk to the end of it. How far from the edge of the ledge can the beam extend?

Reference no: EM13333552

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