Physics I

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Lab Report                                                    Name: ____________________

 

                                                                                    Section: ___________________

 

EXPERIMENT:   Friction

 

 

DATA TABLE 1:  Mass of block: _____ Kg   Weight ____ N

Flat Board

Force of Kinetic Friction, N

Force of Static Friction, N

Trial 1

 

 

Trial 2

 

 

Trial 3

 

 

Average

 

 

 

 

DATA TABLE 2:  Mass of block: _____ Kg   Weight ____ N

Flat Board – Block Sideways

Force of Kinetic Friction, N

Force of Static Friction, N

Trial 1

 

 

Trial 2

 

 

Trial 3

 

 

Average

 

 

 

 

 

DATA TABLE 3:

Surfaces Tried:

Glass Surface

Force of Kinetic Friction

Force of Static Friction

Trial 1

 

 

Trial 2

 

 

Trial 3

 

 

Average

 

 

 

 

DATA TABLE 3a:

Surfaces Tried:

Sandpaper

Force of Kinetic Friction

Force of Static Friction

Trial 1

 

 

Trial 2

 

 

Trial 3

 

 

Average

 

 

 

 

 

DATA TABLE 3b:

Surfaces Tried:

Wood on Carpet

Force of Kinetic Friction

Force of Static Friction

Trial 1

 

 

Trial 2

 

 

Trial 3

 

 

Average

 

 

 

 

 

DATA TABLE 4:

 

Height

Base Length

θ  max

μs

Trial 1

 

 

 

 

Trial 2

 

 

 

 

Trial 3

 

 

 

 

Average

 

 

 

 

 

 

Questions:

 

A.    How does the coefficient of static friction compare with the coefficient of kinetic friction for the same surfaces and areas?

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