## Gravitational Force

**What is the gravitational force of the sun on the earth?**

**What is the gravitational force of the moon on the earth?**

**The moon’s force is what percent of the sun’s force?**

F = G m₁m₂/r²

G = 6.67 x 10^{-11}m³/kgs²

**What is the gravitational force of the sun on the earth?**

F = 6.67e-11 x 5.97e24 x 1.99e30 / (1.496 x 10^{11})²

F = 3.54 x 10 ^{22} Newtons

**What is the gravitational force of the moon on the earth?**

F = 6.67e-11 x 5.97 x 10^{24} x 7.34e22 / (3.85 x10^{6})²

F = 19.9 x 10^{20} Newtons

**The moon’s force is what percent of the sun’s force?**

3.54 x 10 ^{22 / }19.9 x 10^{20=}

= .564%

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