Gravitational law SL Flashcards
1
Q
Kepler’s 1st Law
A
planets move in elliptical orbit with the sun as a focus
2
Q
Kepler’s second law
A
The radius of a planet sweeps out equal areas in the same time NO MATTER WHERE IN ORBIT IT IS
3
Q
Kepler’s third law
A
T squared proportional to R cubed
4
Q
Define “Force field”
A
A region in space where an object will experience a force because of its physical properties. A model used to describe non-contact forces
5
Q
Define “Gravitational field strength”
A
Gravitational force per unit mass experienced at a point by a test mass
6
Q
Define satellite
A
An object that is in orbit around another object