Gravitation Flashcards
(5 cards)
1
Q
What is Newton’s Law of Gravitation?
A
Every object attracts every other object with a force:
2
Q
What is the value of the gravitational constant (G)?
A
Nm²/kg²
3
Q
What is the formula for acceleration due to gravity (g)?
A
A matrix with only one row.
4
Q
What is free fall?
A
When gravity is the only force acting on a falling object.
5
Q
State Kepler’s three laws.
A
1.Planets move in elliptical orbits.
2.Equal areas are swept in equal times.