|
|
![飾り](image/p_01.gif) |
A vertical drag |
|
![](image/spacer.gif) |
![](image10-e.jpg) |
Like the left figure, the iron ball put on a desk does not work.Power to
match with gravity to act on an iron ball acts on an iron ball then from
a desk.The power that is perpendicular to the aspect acts when I put it
on the aspect of the object.This power is called a vertical drag. |
|
|
|
|
![飾り](image/p_01.gif) |
Two balance |
|
![](image/spacer.gif) |
![](image28-e.jpg) |
The relations of 2 to act on an object seem to become the left figures. |
|
|
|
|
![](10a.gif)
|
|