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

Thank you for the opportunity to help you with your question!

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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