Adevărat, Un obiect care revine la forma inițială a suferit o deformare elastică., Salteaua care se lasă sub greutatea unui copil suferă o deformare elastică., Plastilina care își schimbă forma și rămâne așa suferă o deformare plastică., Fals, Deformarea elastică este permanentă., Spargerea unui geam este o deformare elastică., Deformarea plastică este reversibilă..

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