Physics C Mechanics
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Video Lab: Measurement

     Before performing this lab you must read the about the nature of science activities and the Lab Notebook requirements for this course. Click here.

     The
video below will allow you to make timing measurements on a device known as an inertial balance.  The inertial balance will illustrate an important idea that we will discuss extensively in this course: The more mass something has, the harder it is to change its state of motion.  Your goal in this lab is to create a graph that will allow you to determine the mass of an unknown object using the inertial balance.  To accomplish this goal you will need to make careful observations of the apparatus in the video.  You will need a stopwatch to make these measurements. Almost all mobile phones come with a stopwatch function, so please make use of it for this lab exercise.
     When you are ready to start, play the video and follow the instructions as given.  Please record all your work in a lab notebook. Use this structure:
1. The title of the lab activity
2. The date the lab activity was performed
3. The goal(s) of the lab activity
4. A description of the lab activity (procedures, sketches, pictures, etc.)
5. Data collected in the lab activity
6. Analysis of data and sample calculations
7. Analysis of error
8. Conclusion(s) (Did you achieve your goal(s)...why or why not?)
(You can use a computer application such as Microsoft Excel to create the graph if you'd like.)

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