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Mechanical Properties of Solids — Physics STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 SciencePhysicsMechanical Properties of Solids2 Marks
Question
  1. Can you name a few objects which change their shape and size on application of a force and regain their original shape and size when the force is removed?
  2. Can you name objects which do not regain their original shape and size when the external force is removed?
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Answer

  1. Objects such as rubber, metals, quartz, etc. change their shape and size on application of a force (within specific limit) and regain their original shape and size when the force is removed.
  2. Objects such as putty, clay, thick mud. etc. do not regain their original shape and size when the external force is removed.

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