Seesaw

To maintain balance, the heavier child sits nearer to the rotation axis.

Nicolaus Copernicus (1473-1543)

Polish astronomer who developed the heliocentric system

Weightlessness

The state of weightlessness is not free from effects.

Capacitor circuit

In an alternating current the capacitator functions as a conductor

Towing a small car with weight

The small car accelerates until there is an unbalanced force acting on it

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