Posted by **help** on Monday, February 27, 2012 at 9:09am.

A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. The weight of the ladder is 18.4 lb. A 60.8-lb boy climbs 4.18 m up the ladder. What is the magnitude of the frictional force exerted on the ladder by the floor?

- physics -
**jerry**, Saturday, August 3, 2013 at 11:10am
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