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Static torque circle
- Record all results is a clear and concise manner.
- You may use "gm" as a unit of force (no need to multiply everything by g).
- Show your work using the language of vector algebra with components. "F" (with subscripts) is a nice symbol to use for your vectors.
- Use a calculator to perform your calculations.
- Also, enter your raw data into the spreadsheet at the front computer. (Just enter numbers, we will analyze them later).
- Set the table up so that zero degrees is aligned with the x axis. Mark that line with a ruler or other image of a ray.
- Calibrate your accuracy by arranging four equal and opposite tensions that aligned with the plus/minus x and y axes. Perform this calibration (with four forces at 90 degrees) five times, using different angles and weights.
- Set up three forces, using your eye and hand to achieve balance (do not calculate). Then pick one force and "derive" it from the other three. Perform this experiment five times with five different choices for mass.
- Go to pencil and paper and devise a way to set up the 3-4-5 right triangle. Verify it with a demonstration.
- Search the internet and find some other well-known right triangles with integers and test two more.