LabPaq Friction

Friction

Peter Jeschofnig, Ph.D. Version 42-0262-00-01

Lab Report Assistant

This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.

Observations

Mass of block: Kg Weight N

Data Table 1: Flat board

Flat Board
Force of Kinetic Friction, N
Force of Static Friction, N
Trial 1
Trial 2
Trial 3
Average

Mass of block: Kg Weight N

Data Table 2: Flat Board - Block Sideways
Flat Board – Block
Sideways
Force of Kinetic Friction, N
Force of Static Friction, N
Trial 1
Trial 2
Trial 3
Average

Data Table 3: Different Surfaces
Surfaces Tried: Glass Surface
Force of Kinetic Friction
Force of Static Friction
Trial 1
Trial 2
Trial 3
Average

Data Table 4: Different Surfaces
Surfaces Tried:
Sandpaper Force of Kinetic Friction Force of Static Friction
Trial 1
Trial 2
Trial 3
Average

Data Table 5: Different Surfaces
Surfaces Tried:
Wood on Carpet Force of Kinetic Friction Force of Static Friction
Trial 1
Trial 2
Trial 3
Average

Data Table 6: Raised Board 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?

B. Why is it important to reduce friction during the operation of machinery?

C. How does