A force of P = 100 N is just sufficient to keep the crate from sliding down the incline. A force of P = 350 N is just sufficient to push the crate from up the incline. Determine the coefficient of static friction (us) and the mass of the crate. (Ans. µs = 0.256, Mass = 36.5 kg) 1. 30°

A force of P = 100 N is just sufficient to keep the crate from sliding down the incline. A force of P = 350 N is just sufficient to push the crate from up the incline. Determine the coefficient of static friction (us) and the mass of the crate. (Ans. µs = 0.256, Mass = 36.5 kg) 1. 30°

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.5P

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Concept explainers

Fluid Materials

In general terms, anything that flows can be termed as a fluid. In other words, a fluid is any substance that cannot resist shear forces and deforms continuously under the application of external shear forces. Fluid materials differ completely from solid materials such as metals and alloys. For instance, if we consider two infinitesimally small cross-sectional areas of fluid materials and solid materials, and apply shear forces to these elements, both the elements will undergo deformation. Upon releasing the shear force, the element of the solid materials will regain its original orientation, but the element of the fluid materials will keep on deforming continuously under the action of the shear force.

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How do I solve this? I'm so confused.

A force of P = 100 N is just sufficient to keep the crate
from sliding down the incline. A force of P = 350 N is
just sufficient to push the crate from up the incline.
Determine the coefficient of static friction (us) and the
mass of the crate. (Ans. µs = 0.256, Mass = 36.5 kg)
1.
30°

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