What is the coefficient of static friction between ladder and ground?

Physics
Tutor: None Selected Time limit: 1 Day

A uniform ladder of length L and mass m1 rests against a frictionless wall. The ladder makes an angle θ with the horizontal. (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when a firefighter of mass m2 has climbed a distance x along the ladder from the bottom. (b) If the ladder is just on the verge of slipping when the firefighter is a distance d along the ladder from the bottom, what is the coefficient of static friction between ladder and ground.

Nov 10th, 2015

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IMG_20151110_144817.jpg 

Here is the solution to part a of your problem.


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Nov 10th, 2015

here is the part b of solution.

IMG_20151110_145527.jpg 

Nov 10th, 2015

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