Compressibility & Elasticity

  • Due Sep 29, 2016 at 8:59am
  • Points 2
  • Questions 2
  • Available until Sep 29, 2016 at 8:59am
  • Time Limit None
  • Allowed Attempts Unlimited

Instructions

Watch the following video tutorial on compression and elastic materials.
http://youtu.be/A7lgZ0hE2jk

[PDF of Slides]

Summary:

• Most liquids and solids are very incompressible.
• Rubber is compressible; when an object or a character’s volume changes it looks rubbery.
• Elasticity does not imply compressibility.
• Elastic objects bouncing on a hard surface retain much of their energy after the impact with each bounce lower by the same percentage.
• The vertical spacings in the parabolic path of action for each bounce are the same.
• The parabolic arc of the motion curve for each bounce is the same shape.
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