A uniform ladder is L=5.0m long and weighs 400.0 N. The ladder rests against a slippery vertical wall, as shown in Figure 12.14. The inclination angle between the ladder and the rough floor is β=53°. Find the reaction forces from the floor and from the wall on the ladder and the coefficient of static friction μs at the interface of the ladder with the floor that prevents the ladder from slipping.
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