(i) A uniform ladder of length 7 m rests against a vertical wall. It makes an angle of 45° with the wall. The cocfficients of friction between the ladder and the wall is and between the ladder and the ground is . A girl whose weight is half that of the ladder slowly ascends the ladder. Find how far up along the ladder will she climb before the ladder begins to slip.
(i) A uniform ladder of length 7 m rests against a vertical wall. It makes an angle of 45° with the wall. The cocfficients of friction between the ladder and the wall is and between the ladder and the ground is . A girl whose weight is half that of the ladder slowly ascends the ladder. Find how far up along the ladder will she climb before the ladder begins to slip.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...
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