Hardness is best defined as which one of the following:
A)energy absorbed by a material when an object strikes its surface
B)resistance to bending
C)resistance to permanent indentation
D)resistance to scratching

Question

Quizplus · Accepted Answer

Hardness is most accurately defined as a material's resistance to permanent indentation. This property is measured by various tests, such as the Brinell, Rockwell, and Vickers hardness tests, which determine how well a material can resist deformation from a standard source.

Hardness Is Best Defined as Which One of the Following