# How is the acceleration of gravity calculated for planets?

You can use the expression of gravitational force.

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The acceleration of gravity on a planet is calculated using Newton's law of universal gravitation, which states that the force of gravity between two objects is proportional to the product of their masses and inversely proportional to the square of the distance between their centers. The formula for acceleration due to gravity (g) on a planet is:

[ g = \frac{G \times M}{r^2} ]

Where:

- ( g ) is the acceleration due to gravity.
- ( G ) is the gravitational constant ((6.67430 × 10^{-11} , \text{m}^3 , \text{kg}^{-1} , \text{s}^{-2})).
- ( M ) is the mass of the planet.
- ( r ) is the distance from the center of the planet to the object.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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