Q:

# How much gravity does Mars have?

A:

The force of gravity experienced on the surface of Mars is only 38 percent as strong as the Earth's surface gravity. The weaker gravitational force of Mars is due to its smaller mass and lower density.

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Mars is the fourth planet from the Sun and is similar to the Earth in many respects. The gravitational force of a planet is proportional to its mass, and Mars is much smaller than the Earth. The planet has a diameter that is equal to only about half of Earth's diameter, and it has only a tenth of the density of Earth. Thus, an object that would weigh 100 kg on Earth would weigh just 38 kg on Mars.

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## Related Questions

• A:

Mars' gravitational pull is 3.724 meters per second on the surface. The pull is 62 percent weaker than Earth's surface gravity which exerts a pull of 9.8 meters per second.

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• A:

The surface gravity of Mars is 3.71 meters per second squared. Because Earth's gravity is 9.8 meters per second squared, Mars' gravity is approximately 38 percent less than the Earth's. Mars' mass is also less than Earth's, which is a contributing factor in this planet having a lower surface gravity.

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• A:

The surface gravity on Mercury is 3.7 meters per second squared, which is 38 percent of the surface gravity on Earth. Surface gravity is typically measured in acceleration units.