Tuesday, September 6, 2022

9702_s22_qp_11 Question 20

Which statement about elastic and plastic deformation must be correct? 

A Elastic deformation and plastic deformation are proportional to the applied force. 

B Elastic deformation and plastic deformation cause no change in volume. 

C Elastic deformation causes heating of the material but plastic deformation does not. 

D Elastic deformation is reversible but plastic deformation is not.  


ANSWER: D

The Physics Behind

  • Definitions are important.







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