Gravity & Orbits

Question 1

What creates gravity?

Answer 1

Mass

Question 2

What direction does gravity act between two objects?

Answer 2

It pulls them together

Question 3

What is the Gravitational Force Equation?

Answer 3

F = Gm1m2 / r^2

Question 4

What is the other equation for gravitational force?

Answer 4

F = mg

Question 5

What is the equation for acceleration due to gravity?

Answer 5

g = GMplanet / d^2

Question 6

What is gravitational mass?

Answer 6

Weight (W = mg)

Question 7

What is inertial mass?

Answer 7

The net force on an object (F = ma)

Question 8

How do gravitational mass and inertial mass relate to each other?

Answer 8

They are the same.