1. The spring force is F" = -k(x - Xeq) where k is the spring constant. What are the Sl units of the spring constant in term of Newtons and meters? In terms of kg, meters and seconds? in terms of N and m: in terms of kg,m, s: 2. Use your graph of F, vs. x to determine the spring constant k of your spring and the maximum distance D the spring was stretched during the experiment. k = D = 3. Which force (the spring or you) did positive work on the cart during this process? Which did negative work? Thin: Think about the angle between each force and the displacement. positive work: negative work: 4. Since the acceleration is almost zero , the magnitudes of your applied force and spring force is approximately the same. Use the integration button to determine the work done by the spring force. (The integral is negative since we started at large x and went to small x.) 5. The work done against the spring force can be stored as elastic potential energy Uspr =k(x - Xeq). Use your values of k and D to determine the change in the elastic potential energy stored in the spring. Compare this to the work done by the spring force
1. The spring force is F" = -k(x - Xeq) where k is the spring constant. What are the Sl units of the spring constant in term of Newtons and meters? In terms of kg, meters and seconds? in terms of N and m: in terms of kg,m, s: 2. Use your graph of F, vs. x to determine the spring constant k of your spring and the maximum distance D the spring was stretched during the experiment. k = D = 3. Which force (the spring or you) did positive work on the cart during this process? Which did negative work? Thin: Think about the angle between each force and the displacement. positive work: negative work: 4. Since the acceleration is almost zero , the magnitudes of your applied force and spring force is approximately the same. Use the integration button to determine the work done by the spring force. (The integral is negative since we started at large x and went to small x.) 5. The work done against the spring force can be stored as elastic potential energy Uspr =k(x - Xeq). Use your values of k and D to determine the change in the elastic potential energy stored in the spring. Compare this to the work done by the spring force
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Transcribed Image Text:1. The spring force is F" = -k(x – Xeq) where k is the spring constant. What are the Sl units of the
spring constant in term of Newtons and meters? In terms of kg, meters and seconds?
in terms of N and m:
in terms of kg, m, s:
2. Use your graph of F, vs. x to determine the spring constant k of your spring and the maximum distance
D the spring was stretched during the experiment.
k =
D =
3. Which force (the spring or you) did positive work on the cart during this process? Which did negative
work? Thin: Think about the angle between each force and the displacement.
positive work:
negative work:
4. Since the acceleration is almost zero , the magnitudes of your applied force and
spring force is approximately the same. Use the integration button to determine
the work done by the spring force. (The integral is negative since we started at
large x and went to small x.)
5. The work done against the spring force can be stored as elastic potential energy Uspr =k(x - Xeq)*.
Use your values of k and D to determine the change in the elastic potential energy stored in the spring.
Compare this to the work done by the spring force
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