Why are the acceleration due to gravity the same on mars and mercury?

Question

what makes the gravity the same on these planets.

Answer 1

Thus far, the only answer we have is co-incidence. What makes them nearly the same is similar mass-to-diameter-squared-ratios.

Answer 2

Gravity is a function of mass. Mercury is smaller than Mars, but it is much more dense. The gravity on Mercury is 0.377g. The gravity on Mars is 0.377g.

Answer 3

Mercury is about half the mass of Mars but has a lesser diameterand is much denser due to a dense iron core.

Look up the Physical characteristics table on Mars and Mercury on Wikipedia

Answer 4

That is an interesting question. The physics for an object in freefall will be identical for any object exerting a gravitational field everywhere in the universe (assuming Einstein and Newton were correct). The differences, then, would only relate to the mass of the object exerting the field. If a body in freefall has the same actual acceleration in two separate enviornments, then we must assume the total mass for each would be similar.

Answer 5

i've got not even regarded on the link yet, and that i've got already observed one mistake. the closest Jupiter and Mercury ought to ever be is that if and while Mercury is at aphelion and Jupiter is at perihelion. The rigidity of Jupiter's gravity decreases proportionally to the sq. of the area between Mercury and Jupiter situations the cosine of the perspective between the places of Mercury and Jupiter while they don't seem to be aligned with the solar and one yet another. On March 20, 2009, the solar, Mercury and Jupiter have been aligned with one yet another, so the rigidity of Jupiter's gravity became at optimal, and it became inadequate to alter Mercury's orbit. might I advise you're taking a direction in vector math or a linear algebra direction first, and one in first semester physics, in the previous implying you recognize worry-loose physics. in case you do not comprehend the inverse sq. distance "rule", you do not comprehend worry-loose physics ok.