Physics Laws & Theorems
Intermediate

Law of Universal Gravitation

Every mass attracts every other mass.

Formula

F=Gm1m2r2F = G\frac{m_1 m_2}{r^2}

Variables

G6.674×10⁻¹¹
m_1,m_2Masses
rDistance

Example

The same law that drops an apple also holds the Moon in orbit around Earth.

Did You Know?

Newton realized the force pulling an apple down is the very same force holding the Moon in orbit.

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