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Catch what springs back

Exercise and reference answers

Items
  1. Matches the category
    Yes
    Item
    Steel spring
  2. Matches the category
    Yes
    Item
    Rubber band
  3. Matches the category
    Yes
    Item
    Aorta tissue
  4. Matches the category
    Yes
    Item
    Steel bar
  5. Matches the category
    Yes
    Item
    Stretched wire
  6. Matches the category
    No
    Item
    Putty
  7. Matches the category
    No
    Item
    Mud lump
  8. Matches the category
    No
    Item
    Bent past yield
Category
Regains its shape
Instructions
Catch the things that spring back. Let the plastic ones fall.

Explanation

_Source: syllabus Physics Part II, Chapter 9, Mechanical Properties of Solids._
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