The Universal Law of Gravity Flashcards
1
Q
What is the universal law of gravitation?
A
- Every mass attracts every other mass
- Attraction is directly proportional to the product of their masses
- Attraction is inversely proportional to the square of the distance between their centres
2
Q
Are ellipses only bound?
A
No, they can also be unbound (parabola, hyperbola)
3
Q
Where do orbiting objects orbit?
A
Around their center of mass due to momentum conservation
4
Q
What can tell us total mass of an object?
A
Orbital period and average orbital distance
5
Q
What does Newtons law of gravity include?
A
All objects, not just planets
