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# For the stepladder shown in Fig. 12-51, sides AC and CE

## Problem 39 Chapter 12

Fundamentals of Physics: | 9th Edition

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Problem 39

For the stepladder shown in Fig. 12-51, sides AC and CE are each 2.44 m long and hinged at C. Bar BD is a tie-rod 0.762 m long, halfway up. A man weighing 854 N climbs l.80 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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