What is the coefficient of static friction between the crate and the truck bed?

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Homework Help Overview

The problem involves a crate in a pickup truck that is braking, and the goal is to determine the coefficient of static friction between the crate and the truck bed. The context includes concepts of motion, forces, and friction.

Discussion Character

  • Exploratory, Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • The original poster expresses confusion about how to begin solving the problem due to uncertainties regarding mass, normal force, and other components necessary for calculating the coefficient of static friction. Some participants suggest finding the acceleration first and drawing a Free Body Diagram (FBD) to relate friction to the forces involved.

Discussion Status

Participants are exploring different aspects of the problem, with some guidance provided on the importance of drawing a Free Body Diagram. There is an acknowledgment of the original poster's confusion, but no consensus has been reached on a specific approach yet.

Contextual Notes

The original poster mentions being at a loss regarding the information provided in the problem, indicating potential gaps in understanding the necessary components for the solution.

BiggiesGhost
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A crate is in a pickup truck traveling horizontally at 15.0 m/s. The trucks apply the brakes for
28.7 m while stopping with uniform acceleration. What is the coefficient of static friction between the crate and the truck bed if the crate does not slide?


I know how to solve for the coefficient of static friction, but what I'm given in the problem doesn't make since with me to find the mass, normal force, or any of the other required components to find the coefficient of static friction. I'm completely at a loss as to where to begin, can anybody help me out?
 
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Find the acceleration first. Draw a FBD on the block while moving on the truck, how is friction related to any of the forces you will have drawn?
 
What's a FBD?
 
Free Body Diagram
 
Thanks, that helped.
 

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