4.2 Newton's Law of Gravitation Flashcards
1
Q
What is the weight of an object?
A
gravitational force exerted on the object by the earth
2
Q
What is the equation for weight?
A
w = mg where m is mass and g is gravitational acceleration
3
Q
What is Newton’s Law of Gravitation?
A
every object in the universe exerts a gravitational pull on every other object
4
Q
What is the formula related to Newton’s Law of Gravitation?
A
Fg = (GMm)/r2
5
Q
What does it mean for Newton’s Law of Gravitation to be an inverse-square law?
A
magnitude of the gravitational force is inversely proportional to the square of the distance between the centers of objects
6
Q
A
