Part 1: Finding the Spring Constant 1. Open the following simulator and click the Lab option: https://phet.colorado.edu/sims/html/masses-and-springs/latest/masses-and-springs en.html Displacement 2. Set the "Spring Constant 1" slider to its maximum. 3. Ensure "Earth" is selected in the Gravity field. 4. Set the "Damping" slider to its maximum. Natural Length Mass Equilibrium a. We're not considering springs in motion, so this will get the system to equilibrium quickly. Movable Line 5. Click the 'Displacement' option on the right. O Period Trace a. The blue dotted line represents the equilibrium position of the spring, where x = 0 m. Gravity 9.8 m/s? 6. Move the Mass slider down to 50 g, then place the 50 g mass on 30 the spring. 7. Convert this mass to the force of gravity (where F, = mg and 9.8 m/s2) and add this data to Table 1. Earth Remember to convert masses to kilograms for this Damping a. calculation. None Lots b. Note that this force is a vector. It's directed downward, so it's negative. Signs matter! 8. Use the ruler tool (the units are in mm) on the bottom right to measure the displacement of the spring with the 50 g mass. You're measuring the length of the green arrow. Record your result in Table 1. Take a moment to consider what sign your displacement should have. Record your Velocity Acceleration measurements and results to 1 mm.

Part 1: Finding the Spring Constant 1. Open the following simulator and click the Lab option: https://phet.colorado.edu/sims/html/masses-and-springs/latest/masses-and-springs en.html Displacement 2. Set the "Spring Constant 1" slider to its maximum. 3. Ensure "Earth" is selected in the Gravity field. 4. Set the "Damping" slider to its maximum. Natural Length Mass Equilibrium a. We're not considering springs in motion, so this will get the system to equilibrium quickly. Movable Line 5. Click the 'Displacement' option on the right. O Period Trace a. The blue dotted line represents the equilibrium position of the spring, where x = 0 m. Gravity 9.8 m/s? 6. Move the Mass slider down to 50 g, then place the 50 g mass on 30 the spring. 7. Convert this mass to the force of gravity (where F, = mg and 9.8 m/s2) and add this data to Table 1. Earth Remember to convert masses to kilograms for this Damping a. calculation. None Lots b. Note that this force is a vector. It's directed downward, so it's negative. Signs matter! 8. Use the ruler tool (the units are in mm) on the bottom right to measure the displacement of the spring with the 50 g mass. You're measuring the length of the green arrow. Record your result in Table 1. Take a moment to consider what sign your displacement should have. Record your Velocity Acceleration measurements and results to 1 mm.

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