Stiffness
Stiffness is the extent to which an object resists deformation in response to an applied force.[1]

The complementary concept is flexibility or pliability: the more flexible an object is, the less stiff it is.[2]
Stiffness is the extent to which an object resists deformation in response to an applied force.[1]
The complementary concept is flexibility or pliability: the more flexible an object is, the less stiff it is.[2]
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