Coefficient of Kinetic Friction Lab

 1. For each new block mass, calculate the magnitude of the kinetic frictional force from the measured t.  Also determine the normal force on the block.


2. Graph the magnitude of the kinetic frictional force against the magnitude of the normal force, for a constant angle of incline.  On the same graph, show your predicted relationship.

3. For each angle (h), calculate the magnitude of the kinetic frictional force from the measured t.  Also determine the normal force on the block.


4. Graph the magnitude of the kinetic frictional force against the magnitude of the normal force for a constant block mass.  On the same graph, show your predicted relationship.

5. Calculate the uncertainty in your experimental technique.   Do your two graphs agree?

My two graphs do not agree, i don't know what happened with the second graph


Conclusion: 
What is the coefficient of kinetic friction for wood on aluminum?  How does this compare to your prediction? 
The coefficient of friction for wood on aluminum generally falls within a range of 0.2 to 0.6. So based on my results and calculating the averages for both being about 0.609 it was just over the range that was given for the coefficient of kinetic friction for wood on aluminum.

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