A 7.5 kg crate is placed on a ramp that is at an angle of 30.0 ̊ relative to the horizontal. a) What is the force of friction required for the crate to remain stationary? b) What is the static coefficient of friction necessary for the crate to remain stationary?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 12P: A block of mass 3.00 kg is pushed up against a wall by a force P that makes an angle of = 50.0 with...
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A 7.5 kg crate is placed on a ramp that is at an angle of 30.0 ̊
relative to the horizontal.
a) What is the force of friction required for the crate to remain stationary?

b) What is the static coefficient of friction necessary for the crate to remain
stationary?

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