Gravitation Flashcards
1
Q
What is gravity?
A
The attractive force between objects
2
Q
What is the force of gravity?
A
Gm1m2 / r2 = Newtons law of gravitation
3
Q
What is the gravitational constant G?
A
6.67 x 10^-11
4
Q
What law does gravity follow?
A
An inverse square law
5
Q
What is the gravitational force experienced?
A
W = GMm / r2 = Fg ma = Fg a = GM / r2
6
Q
What is the M of earth?
A
5.98 x 10^24 kg
7
Q
What is the r?
A
6.378 x 10^6 m
8
Q
What is g?
A
acceleration due to gravity on earth.
9
Q
What is W?
A
Weight = mass x gravity