Two painters are carrying a uniform horizontal ladder that is 12 feet long and weighs 200 N. If one person applies an upward force equal to 85 N at one end, at what point does the other person lift?
Two painters are carrying a uniform horizontal ladder that is 12 feet long and weighs 200 N. If one person applies an upward force equal to 85 N at one end, at what point does the other person lift?
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Transcribed Image Text:Provide a complete solution to each problem.
1. Two painters are carrying a uniform horizontal ladder that
is 12 feet long and weighs 200 N. If one person applies an
upward force equal to 85 N at one end, at what point does
the other person lift?
2. A uniform ladder 10.0 m long and weighing 50.0 N rests
against a smooth vertical wall. (a) If the ladder is just on
the verge of slipping when it makes a with the ground, find
the coefficient of static friction between the ladder and
ground. (b) If the coefficient of static friction is 0.360, and
the same ladder makes a angle with respect to the
horizontal, how far along the length of the ladder can a 65-
kg painter climb before the ladder begins to slip?
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