Bad news is whatever you weigh now would be multiplied by 4.5 if you stepped out on that planet. If you weigh 180 pounds on Earth, you would weigh 810 pounds on that planet.
Maybe we should call it Moochelle’s Planet...............
Actually, if it has about the same density as Earth, it would have about twice the diameter, so you’d only weigh 12.5% more (4.5x the gravity, but you’d feel 1/4 as much, so 4.5x/4 = 1.125x).
Not necessarily.
It depends also on the size of the planet.
The force of gravity also depends on the distance from the center of mass.
Odds are this is not just a heavier planet, but a larger one, so the gravity on the surface would be less.
[ Bad news is whatever you weigh now would be multiplied by 4.5 if you stepped out on that planet. If you weigh 180 pounds on Earth, you would weigh 810 pounds on that planet. ]
BZZT WRONG, the gravity depends on the density of the planet and mass and distance from the center of the planet. The Planet would have higher gravity than the earth, but it would be a less than 4.5G. Probably between 1.6 - 2.8 Gs
In other words, it can support life, but life as we know it couldn't support itself...
Actually the gravity would only ~2Gs as the force is a fuction of mass and the distance from the centre. Because the diameter of the planet would be greater, so would the distance from the surface to the centre. Doubling the distance reduces gravity by a factor of four.