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Usually the "pull" is given at the surface of the planet. The force reduces with distance.

The units are Newtons (unit of force) per kilogram (of the object being pulled)

The gravitational force is :

(6.67x10-11)x(mass of the planet)x(mass of the object)/(distance between the planet and the object squared)

(6.67x10-11 Newton's universal gravitational constant). Masses are measured in kilograms, and distance is measured in metres.

Finally here's the answer, in Newtons per kilogram (rounded to the nearest

whole number for the giant planets). Different sources may give slightly different numbers :

Earth 9.81

Mercury 3.71

Venus 8.90

Mars 3.70

Jupiter 26

Saturn 11

Uranus 9

Neptune 12

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