Gravity
Newton's Law of Universal Gravitation
Gravity - mutual force of attraction between any two objects in the universe
Fill In The Blank Notes
C) Universal Law of Gravity
Moon Has An Unbalanced Force On It!
G = Gravitational constant = 6.67 × 10-11 Nm2/kg2
| Fg | m1 | m2 |
|---|---|---|
| 100 N | x | y |
| 200 N | 2x | y |
| 600 N | 2x | 3y |
| 400 N | x | 4y |
| 150 N | 1/2x | 3y |
Gravity, Newton, and Hooke - The Bitter Rivalry
| Fg | r |
|---|---|
| x1/4 | x2 |
| x1/9 | x3 |
| x1/16 | x4 |
| x9 | x1/3 |
| x16 | x1/4 |
Ex) If the gravitational force on satellite A is 160,000 N, what is the gravitational force on satellite B?
Fluids in Micro-Gravity
Ranking Task
Rank the gravitational forces from greatest to smallest.
Enrichment
How do we measure very tiny gravitational forces?
Determining G, Cavendish
Dark Matter
NYSSLS Reading Passage · Dynamics
The Law That Can't Explain Itself: Gravity and the Biggest Myth in Science
Open Reading Passage →Check Your Understanding
5 quick questions — pick an answer to see if you’re right.
1. What is gravity?
2. In F = Gm₁m₂/r², what does r represent?
3. If the distance between two objects is tripled, the gravitational force between them becomes…
4. Two masses attract with a force of 100 N. If one mass is doubled and the other is tripled (same distance), what is the new force?
5. The gravitational force on satellite A is 160,000 N. Identical satellite B orbits at twice the distance from Earth's center. What force acts on B?
