A material is said to exhibit viscoelastic behavior when it exhibits Naim 11:19 Biomechanics A material is said to exhibit viscoelastic behavior when it exhibits A. Loading and unloading curves during tensile testing that coincide with each other B. An increase in strain under constant stress C. Both A and B D. Neither A nor B Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+