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

Publisher:Raymond A. Serway, Chris Vuille

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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