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October 20, 2014

Homework Help: rpi

Posted by Anonymous on Monday, November 15, 2010 at 1:47am.

For the stepladder shown in Fig. 12-51, sides AC and CE are each 3.34 m long and hinged at C. Bar BD is a tie-rod 0.662 m long, halfway up. A man weighing 746 N climbs 2.51 m along the ladder. Assuming that the floor is frictionless and neglecting the mass of the ladder, find (a) the tension in the tie-rod and the magnitudes of the forces on the ladder from the floor at (b) A and (c) E. (Hint: Isolate parts of the ladder in applying the equilibrium conditions.)

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