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# Periodic Motion Problems - Assignment Example

## Extract of sample Periodic Motion Problems

The force applied on the spring reduces hence the tension. The spring therefore accelerate mass faster, therefore the period would be shorter. b. Taking it to the moon where gravity is weaker. (U) The gravity change would have no effect on the period taken since the mass and spring are still the same, therefore no change is expected.
c. Weakening the spring (reducing the spring constant). (L) For a weakened spring, the force the spring exerts is decreased. The oscillations period would be therefore lengthened, would be longer d. Making the amplitude of the oscillation larger.(U) The amplitude does not affect frequency since the distance from relaxation position would increase the restoring force. Therefore, the frequency remains unchanged.

## Summary

1. For a massive block oscillating up and down on a spring like in Fig 9.1.5, label how the following changes would affect the oscillation period. Label it as making it shorter (S), longer (L), or unchanged (U). Explain your response…
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