Topic 7 Gravitational Fields Key Terms Flashcards
1
Q
Gravitational Field
A
Region of space where a test mass experiences a force due to an object with mass
2
Q
Test Mass
A
Object with mass much smaller than object of interest
3
Q
Force Field
A
Area in which object experiences a non-contact force
4
Q
Gravitational Field
A
Force field in which objects with mass experience a force
5
Q
Gravitational Field Strength
A
Force per unit mass exerted by a gravitational field on an object
6
Q
Gravitational Potential At A Point
A
Work done per unit mass when moving an object from infinity to that point
7
Q
Gravitational Potential Difference
A
Energy needed to move a unit mass between 2 points
8
Q
Kepler’s 3rd Law
A
Square of orbital period (T) is directly proportional to the cube of the radius (r)
