Astronomy & Space
Advanced

Tidal Force

Differential gravitational force across a body.

Formula

Ft∝2GMmrd3F_t \propto \frac{2GMm r}{d^3}

Variables

MMass
rBody radius
dDistance

Example

Causes ocean tides

Did You Know?

Tidal forces stretch objects because gravity pulls their near side harder than their far side.

gravity

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