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For the three dumbbells shown below, the rod connecting them has a negligible mass and has a length of $d$. The spheres shown in Dumbbell 1 and Dumbbell 2 have a uniform density of $ \rho$ and the spheres in Dumbbell 3 have a density of $2\rho$.

For which dumbbell is the center of mass furthest to the left?

J. Krehbiel. Created for Copyright 2016. All rights reserved.


Dumbbell 1.


Dumbbell 2.


Dumbbell 3.


The location of the center of mass is the same for all three dumbbells.

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