<prompt> Which of the following is a property of viscoelastic material?Strain instantaneously during rapid stretchingStrain linearly over time when a stress is applied slowlyBothNone  <response>: Viscoelasticity The ability of a material to strain instantaneously like an elastic solid during rapid stretching or to resist shear flow and to strain linearly over time like honey when a stress is applied slowly.Ref: Phillips Science of Dental Materials ed 12 page no. 152 