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Back to 16.1 Hooke’s Law: Stress and Strain Revisited

16.1 Exercise 5

Avg difficulty 2.5

In the formula F = −kx F \textrm{ } = \textrm{ } - k x, what does the minus sign indicate?

  1. It indicates that the restoring force is in the direction of the displacement.
  2. It indicates that the restoring force is in the direction opposite the displacement.
  3. It indicates that mechanical energy in the system decreases when a system undergoes oscillation.
  4. None of the above

OpenStax College Physics 2e, 16.1 Hooke’s Law: Stress and Strain Revisited, exercise 5

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.