elementary physics
my dad and I started to make a game, hopefully we'll finish it tonight, made after Space Wars. We used the equation for acceleration toward the sun as a = G / d, where a is acceleration, g is gravity, and d is distance squared. Pretty simple. is there anyway to calculate the gravity other than manually, preferably using masses?
It's not magic, it's Ruby.
Did you ever wonder why we had to run for shelter when the promise of a brave new world unfurled beneath the clear blue sky?
Thanks you. is F approximately equal to acceleration, or would I have to calculate another variable for that?
It's not magic, it's Ruby.
Force = Mass x Acceleration
When in doubt ... read the Read Me
10.5.6 | MacBook Pro 2.5x2 | 4 GB RAM | GeForce 8600M GT
Just to elaborate:
F = (G)(m1)(m2) / r^2
Where G is the gravitational constant, m1 is the mass of the smaller object (space ship), m2 is the mass of the planet, and r is the distance between the two objects.
F = (m1)(a) for the smaller object
Therefore:
(m1)(a) = G(m1)(m2) / r^2
a = G(m2) / r^2
The acceleration depends only on the mass of the planet, not at all on the mass of the space ship.
F = (G)(m1)(m2) / r^2
Where G is the gravitational constant, m1 is the mass of the smaller object (space ship), m2 is the mass of the planet, and r is the distance between the two objects.
F = (m1)(a) for the smaller object
Therefore:
(m1)(a) = G(m1)(m2) / r^2
a = G(m2) / r^2
The acceleration depends only on the mass of the planet, not at all on the mass of the space ship.
Thanks! That really helps!
It's not magic, it's Ruby.
Possibly Related Threads...
Thread: | Author | Replies: | Views: | Last Post | |
Bullet Physics Library / COLLADA physics viewer | erwincoumans | 14 | 15,464 |
Aug 12, 2006 12:59 AM Last Post: Fenris |