An aluminum object was placed on one pan of an accurate, equal-arm balance, and a lead shot was placed on the other pan

An aluminum object was placed on one pan of an accurate, equal-arm balance, and a lead shot was placed on the other pan for accurate balancing. Will the balance of the balance be imbalanced if it is placed in an airtight vessel and the air is pumped out of this vessel? If it is violated, which cup will outweigh and why?

It will break, outweigh the scale with an aluminum object, since if the air is pumped out, the Archimedes force will not act on the bodies.

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