joeyurko joeyurko

23-02-2024
Physics

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A desperate hiker has to think fast to help his friend who has
fallen below him. Quickly, he ties a rope to a rock of mass
Mr = 393 kg and makes his way over the ledge.

The coefficient of static friction between the rock and the ground is μs = 0.283, and the mass of the hiker Mh = 74.9 kg.
Assume the rope is parallel to the ground and the point where
the rope passes over the ledge is frictionless.

What is the maximum mass mf of the friend that the rock can
support without sliding?

A desperate hiker has to think fast to help his friend who has fallen below him Quickly he ties a rope to a rock of mass Mr 393 kg and makes his way over the le class=

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