Physics, 16.10.2019 04:30 AM28

If anya decides to make the star twice as massive, and not change the length of any crossbar or the location of any object, what does she have to do with the mass of the smiley face to keep the mobile in perfect balance? note that she may have to change masses of other objects to keep the entire structure balanced.

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If anya decides to make the star twice as massive, and not change the length of any crossbar or the...