The Resolving The Problem software is based upon a simulation of a mass suspended by two strings. The software takes students step by step through the process of taking data, performing calculations, and evaluating the results. The results illustrate the fact that the total vertical force of the two strings added together must equal the weight of the mass.
First, students get to see the real world equipment that is being simulated by clicking on the The Lab Equipment button. Then students are told how to run the simulation by clicking on the The Lab Simulation button.
Students start the actual lab by clicking on the Run The Experiment button. They take nine sets of data of the forces on and angles formed with the vertical for each of the two strings. They start with a small angle and increase the angle by dragging the black squares at the ends of the strings with the mouse. A protractor that can dragged around the screen is available for use by clicking on the Show Protractor and Hide Protractor button.
After each measurement or set of data, students can click on the Data Table button and type their data into the Data Table. This data will be saved and will appear until the software is closed.
By clicking on the Directions button, students can access the Directions screen where they are given step by step instructions. They can also check off each step as it is completed.
Students are instructed to place several vector calculations on a separate piece of paper to be turned in with the printouts from the software. After doing the calculations, students will type in answers to a number of questions on two pages by clicking on the Questions button.
Finally, students will click on the Conclusions
When the lab has been completed, students can click on the Print buttons on the appropriate screens to print out the data table, the question answers, and the conclusions. They then turn these in with the completed calculations. No lab handout is required.
The following files are included:
Resolving The Problem Software: ResolvingProblemLab.exe
Lab “Handout”: ResolvingProblem.doc and PDF -Just in case you need, for some reason, to copy and hand out the sheets to fill in
Lab Key: ResolvingProblem_Key.doc and PDF
All of the files are included in a Zip file. Upzip the files and run the software by double clicking on the ResolvingProblem.exe file.
System Requirements: PC Computer with Windows XP or later
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Purchaser may install software on one computer at school, one computer at home, and 10 or less in their classroom for use by purchaser and their students only. By buying a second license, purchaser may install software on one computer at home, one computer at school, and all computers in their classroom for use by purchaser and their students only. For computer lab installation or school site licenses, please contact Multimedia Science at firstname.lastname@example.org
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physics, mechanics, vectors, angles, strings, lab, experiment, software, simulation, calculations