向量在物理中的应用示例 by Alfredo

GeoGebra 命令及参数

1. Rotate(A, β, B) → A'
2. Rotate(B, -α, A) → B'
3. Line(B, A') → a
4. Line(A, B') → b
5. Intersect(a, b) → C
6. Segment(A, B) → c
7. OrthogonalLine(C, c) → c'
8. Intersect(Circle[C, e / 100], c', 2) → D
9. Intersect(Circle[C, e / 100], c', 1) → E
10. Angle(A, B, A') → δ
11. Angle(B', A, B) → γ
12. Segment(A, C) → d
13. Segment(B, C) → f
14. Vector(C, D) → w
15. Vector(C, E) → F
16. Line(E, f) → i
17. Line(E, d) → j
18. Intersect(i, d) → G
19. Intersect(j, f) → H
20. Vector(C, G) → F_1
21. Vector(C, H) → F_2
22. Segment(G, E) → k
23. Segment(E, H) → l
24. Length(F1) → f1
25. Length(F2) → f2