- #1
Pierre Ordinaire
- 3
- 1
- TL;DR Summary
- Gravity on Earth vs the Moon.
Apologies in advance if this has been touched before. If the Earth has 81 times the mass of the Moon, why the Moon has 1/6 of the gravity of the Earth?
See:Pierre Ordinaire said:Summary:: Gravity on Earth vs the Moon.
Apologies in advance if this has been touched before. If the Earth has 81 times the mass of the Moon, why the Moon has 1/6 of the gravity of the Earth?
Of course that is due to the fact that Saturn has a density that is 1/8 that of the Earth's.A.T. said:See:
https://phys.org/news/2016-01-strong-gravity-planets.html
For example: Saturn has 95 times more mass than Earth, but about the same surface gravity:
I assume that means "the same mass as the actual Moon". Not "the same mass as the Earth" - then it would be identical. Obvious if you think about it, but at a first reading it looked wrong.Janus said:If it had the same density as the Earth and the same mass
Yes, I meant the moon's current mass.mjc123 said:I assume that means "the same mass as the actual Moon". Not "the same mass as the Earth" - then it would be identical. Obvious if you think about it, but at a first reading it looked wrong.
The force of gravity on Earth is approximately 9.8 meters per second squared (m/s²), while on the Moon it is only about 1.6 m/s². This means that objects on the Moon will weigh about one sixth of their weight on Earth.
The force of gravity is weaker on the Moon because it has less mass than Earth. The Moon's smaller size and lower density results in a weaker gravitational pull.
Objects on the Moon will fall at a slower rate than on Earth due to the weaker force of gravity. This also means that objects will have less weight and will be easier to lift and move.
The lower gravity on the Moon allows for humans to jump higher and move more easily. However, it also means that they will need to adjust their movements and equipment to account for the reduced weight and slower falling speeds.
The force of gravity on the Moon is relatively constant, but it can vary slightly due to the Moon's changing distance from Earth and the uneven distribution of mass on its surface. However, these changes are very small and do not significantly affect the overall force of gravity on the Moon.