Draw It!
You saw gravity pushing down on the ball while the air forces are pushing up and around the ball. When the two forces are the same (equal) the ball floats.
Defy Gravity! Balancing Balls
| Keyboard Shortcut | Action |
|---|---|
| Space | Pause/Play video playback |
| Enter | Pause/Play video playback |
| m | Mute/Unmute video volume |
| Up and Down arrows | Increase and decrease volume by 10% |
| Right and Left arrows | Seek forward or backward by 5 seconds |
| 0-9 | Fast seek to x% of the video. |
| f | Enter or exit fullscreen. (Note: To exit fullscreen in flash press the Esc key. |
| c | Press c to toggle captions on or off |
Now draw and label arrows to show what you have learned.
Touch Visualize It! to begin.
