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Question 2 Thermal Expansion: As shown in the figure, a bimetallic strip, consisting of metal G on the top and metal H on the bottom rigidly attached to a wall at the left. The coefficient of linear thermal expansion for metal G is greater than that of metal H the strip is uniformly heated, it will I O remain horizontal, but get shorter. O curve upward. O remain horizontal, but get longer. O bend in the middle. curve downward