medium · MCAT chem-phys
On a balanced seesaw, a child with a mass of 25 kg sits 2.4 m from the central pivot.
At what distance from the pivot must a second child with a mass of 40 kg sit to maintain rotational equilibrium?
- 3.8 m
- 1.5 m
- 2.0 m
- 0.66 m
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