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3.1.11  Statistics

The dialog window Statistics gives information on the Mass center of the System, the Groups or the bodies selected (see Selection), on their bodies fastest, slowest, lightest, heaviest and nearest to each other. On selecting Group type or group, data are refreshed.

Controls in the dialog window Statistics are contained in Table 24 and shown in Figure 24 with illustrative data:

 

No Control
1 Group type
2 Select group
3 Number of bookmarks
4 Number of bodies
5 Mass center location
6 Mass center velocity
7 Group mass
8 The fastest body and its velocity
9 The slowest body and its velocity
10 The heaviest body and its mass
11 The lightest body and its mass
12 The bodies nearest to each other and their distance

Table 24. Elements in the dialog window Statistics

 

Figure 24. The dialog window Statistics

 

3.1.11.1  Group type

By these radio buttons, you can decide which group of Bodies you want to make statistics of. Either the whole System or a group (see Groups) or the bodies selected (see Selection). After selection, data are refreshed.

 

3.1.11.2  Select group

By this combo box, you can choose a group (see Groups) of those, which at least one body belongs to. After selection, data are refreshed.

 

3.1.11.3  Number of bookmarks

This field shows the number of bookmarks (see the sections Edit bookmark and Bookmark).

 

3.1.11.4  Number of bodies

This refers to the number of bodies selected.

 

3.1.11.5  Mass center location

The place of mass center of the bodies selected (x and y components of the position vector), with the unit in bracket.

 

3.1.11.6  Mass center velocity

These are velocity of mass center of the bodies selected, x and y components of the velocity vector, with the unit in bracket.

 

3.1.11.7  Group mass

The total mass of the bodies selected, with the unit in bracket.

 

3.1.11.8  The fastest body and its velocity

The name and velocity of the fastest one of the bodies selected, with the unit in bracket.

 

3.1.11.9  The slowest body and its velocity

The name and velocity of the slowest one of the bodies selected, with the unit in bracket.

 

3.1.11.10  The heaviest body and its mass

The name and mass of the heaviest one of the bodies selected, with the unit in bracket.

 

3.1.11.11  The lightest body and its mass

The name and mass of the lightest one of the bodies selected, with the unit in bracket.

 

3.1.11.12  The bodies nearest to each other and their distance

These are the distance of the ones nearest to each other of the bodies selected (with the unit in bracket) and the names of the two bodies.

 

 

 

 

 


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