Shock ⚫ Fragility factor: “critical acceleration”, or “G,” levels to describe an object's tendency to break when subjected to shock. An object will break if subjected to a force greater than its structure can bear. Newton’s second law: F = ma G = ⚫ Since mass is constant for a given packaging problem, force is directly proportional to G. [Example] for a cup, m=200 gram, h=1m accelerati on of gravity observed accelerati onShock ⚫ Fragility factor: “critical acceleration”, or “G,” levels to describe an object's tendency to break when subjected to shock. An object will break if subjected to a force greater than its structure can bear. Newton’s second law: F = ma G = ⚫ Since mass is constant for a given packaging problem, force is directly proportional to G. [Example] for a cup, m=200 gram, h=1m accelerati on of gravity observed accelerati on