How to find the Coefficient of friction from Fn and Ff Graph

[Harsh Patel]

Homework Statement

I have a Force Normal vs Force Friction Graph and I wan to find the coefficient of friction from the graph.

Homework Equations

The Attempt at a Solution

I have tried the formula ff= uFN but my teacher is looking for me to do it using the graph

 

[kuruman]

$F^{max}_s=\mu_s~F_N$ is of the form y = slope * x.

 

[CWatters]

+1

Look up the general equation for a straight line. Usually expressed as

Y=mx + c

m is the slope
c is the vertical offset (point where the line intercepts the y axis).