Physics · Foundation

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Balancing a seesawRunning
Equation balance. Heavier child distance at 1.49 m. Small child moment 36 kg·m, Large child moment 67.05 kg·m. Currently large child moment is over by 31.05 kg·m.TUNINGd = 1.49 m
t = 0.0s

Small child moment

36kg·m

Large child moment

67.05kg·m

Large child moment is over by 31.05 kg·m

1.49 m

Equation balance. Heavier child distance at 1.49 m. Small child moment 36 kg·m, Large child moment 67.05 kg·m. Currently large child moment is over by 31.05 kg·m.

What has to balancem1d1=m2d2m_1 d_1 = m_2 d_2

What is happening

You arrive at a playground seesaw with two children of very different size.

The 45 kg child keeps slamming down however close in they shuffle. A 30 kg child sits 1.2 m from the middle.