Quote:
Originally Posted by JSWolf
It is not the same glass. It's just more of the same since it now holds more liquid. It's not the smaller glass converted to hold more liquid. The glass that holds more liquid is using more physical glass.
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Even so. If you keep the same thickness, the glass will be more fragile. Not intrinsically, because the material is the same, but the whole object is easier to break. Take it to the extreme, make the glass 5 miles tall, with the same wall thickness, it won't last very long.
Even if you also increase the thickness in proportion, the scale matters, that's (one of the reasons) why elephant-sized ants are not physically possible. The weight increases with the cube of the size, but the resistance increases only with the square, because it's related to the cross-section area.