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Example of alancing moments on a see saw

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A boy and a girl are balanced on a massless seesaw. The boy has a mass of 75 kg and the girl's mass is 50 kg.
If the boy sits 2.0 m from the pivot point on one side of the seesaw, where must the girl sit on the other side?

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Solution Preview

Moments due to boy = Boys mass x g x distance from fulrum = 75 x 10 x 2 ...

Solution Summary

The solution determines where the girl must sit on the other side in a mass and pivot points problem.