A man who weighs 800 N, is climbing a uniform ladder that is 5.0 m long and weighs 180 N. The bottom of the ladder rests on the ground at A and leans against a frictionless wall at B. The ladder makes an angle of ? = 53.13° (3-4-5 right triangle) with the horizontal. The man pauses one-third of the way up the ladder.Find the normal force on the base of the ladder.Find the friction force on the base of the ladder.Find the minimum coefficient of static friction needed to prevent slipping at the base.Find the magnitude of the contact force on the base of the ladder. HINT: The components of the contact force FB at the base are the static friction force and the normal force.Find the direction of the contact force on the base of the ladder. HINT: The components of the contact force FB at the base are the static friction force and the normal force. ВG 5 mA2mFLFLLFLFLL-L

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Answered: В G 5 m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A man who weighs 800 N, is climbing a uniform ladder that is 5.0 m long and weighs 180 N. The bottom of the ladder rests on the ground at A and leans against a frictionless wall at B. The ladder makes an angle of ? = 53.13° (3-4-5 right triangle) with the horizontal. The man pauses one-third of the way up the ladder.

Find the normal force on the base of the ladder.
Find the friction force on the base of the ladder.
Find the minimum coefficient of static friction needed to prevent slipping at the base.
Find the magnitude of the contact force on the base of the ladder. HINT: The components of the contact force F_B at the base are the static friction force and the normal force.
Find the direction of the contact force on the base of the ladder. HINT: The components of the contact force F_B at the base are the static friction force and the normal force.

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