10. A 72.0 N ladder that is 3.60 m long is placed against a frictionless wall so the base of the ladder makes a 77° angle with the ground. A person with a mass of 526 N is standing with all their weight one quarter of the way up the ladder. A) How much friction force is required along the ground to keep the ladder from slipping? B) What is the minimum coefficient of friction needed to keep the ladder from slipping?
10. A 72.0 N ladder that is 3.60 m long is placed against a frictionless wall so the base of the ladder makes a 77° angle with the ground. A person with a mass of 526 N is standing with all their weight one quarter of the way up the ladder. A) How much friction force is required along the ground to keep the ladder from slipping? B) What is the minimum coefficient of friction needed to keep the ladder from slipping?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:10. A 72.0 N ladder that is 3.60 m long is placed against a
frictionless wall so the base of the ladder makes a 77° angle with
the ground. A person with a mass of 526 N is standing with all
their weight one quarter of the way up the ladder.
A) How much friction force is required along the ground to keep
the ladder from slipping?
B) What is the minimum coefficient of friction needed to keep
the ladder from slipping?
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