MAT 110 · Materials TestingSession 5 · Hour 1 · ImpactInstructor cue 갑작스런 부러짐도 사실이다.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1ImpactHour 2Follow ImpactHour 3Your turn · ImpactHour 4Check ImpactThis browser cannot play the film.CheckA sudden break is still a fact. Week 5: name, order, result. Then A sudden break is still a fact.