Page 255 - index

ɩɪɨɟɤɰɢɹɥɚɪ – G yB , G xB ɠԥɧɟ G yC – ɋ ɧԛɤɬɟɫɿɧɿԙ ɜɢɪɬɭɚɥɞɵ ɨɪɵɧ
ɚɭɵɫɬɵɪɭɵ;

57-ɫɭɪɟɬ

6. ȼɢɪɬɭɚɥɞɵ ɠԝɦɵɫɬɚɪ ԕɚԑɢɞɚɫɵɧɵԙ ɦɚɬɟɦɚɬɢɤɚɥɵԕ ɬɟԙɞɟɭɿɧ ɠɚɡɚɦɵɡ:

P ˜ G xB Q ˜ G yC 0 ;

7. Ɍԥɭɟɥɫɿɡ ɜɢɪɬɭɚɥɞɵ ɨɪɵɧ ɚɭɵɫɬɵɪɭɥɚɪɞɵԙ ɫɚɧɵɧ ɚɧɵԕɬɚɣɦɵɡ; ɛԝɥ
ɠԛɣɟɧɿԙ ɟɪɤɿɧɞɿɤ ɞԥɪɟɠɟɫɿ ɛɿɪɟɭ ɛɨɥԑɚɧɞɵԕɬɚɧ, ɬԥɭɟɥɫɿɡ ɜɢɪɬɭɚɥɞɵ ɨɪɵɧ
ɚɭɵɫɬɵɪɭɥɚɪɞɵԙ ɫɚɧɵ ɞɚ ɛɿɪɟɭ ԑɚɧɚ; ɬԥɭɟɥɫɿɡ ɜɢɪɬɭɚɥɞɵ ɨɪɵɧ ɚɭɵɫɬɵɪɭ
ɪɟɬɿɧɞɟ D ɛԝɪɵɲɵɧɵԙ ɜɢɪɬɭɚɥɞɵ ԧɡɝɟɪɭɿɧ ԕɚɛɵɥɞɚɣɦɵɡ, ɹԑɧɢ GD ;

8. Ⱥɧɚɥɢɬɢɤɚɥɵԕ ɬԥɫɿɥɞɿ ԕɨɥɞɚɧɚɦɵɡ; ɚɥɞɵɦɟɧ, l , D , xB ɠԥɧɟ yC

ɲɚɦɚɥɚɪɵɧɵԙ ԕɚɬɵɧɚɫɬɚɪɵɧ ɚɧɵԕɬɚɣɦɵɡ, ɨɥɚɪ: xB l sin D , yC 2l cosD ,

ԕɚɬɵɧɚɫɬɚɪɞɵ ɜɚɪɢɚɰɢɹɥɚԑɚɧɧɚɧ ɤɟɣɿɧ:

G xB l cosDGD , G yC 2l sin DGD ;

9. Ⱥɥɵɧԑɚɧ ԧɪɧɟɤɬɟɪɞɿ ɜɢɪɬɭɚɥɞɵ ɠԝɦɵɫɬɚɪ ԕɚԑɢɞɚɫɵɧɵԙ ԧɪɧɟɝɿɧɟ
ԕɨɹɦɵɡ, ɫɨɧɞɚ:

P(l cosDGD ) Q(2l sinDGD ) 0 ;

10. Ⱥɥɵɧԑɚɧ ɬɟԙɞɟɭɞɟɧ ɿɡɞɟɥɿɩ ɨɬɵɪԑɚɧ ɲɚɦɚɧɵ ɚɧɵԕɬɚɣɦɵɡ, ɹԑɧɢ

Q 1 PctgD .
2

2-ɦɵɫɚɥ. ȼɢɪɬɭɚɥɞɵ ɠԝɦɵɫɬɚɪ ԕɚԑɢɞɚɫɵɧ ɩɚɣɞɚɥɚɧɵɩ, AD
ɚɪԕɚɥɵԑɵɧɵԙ Ⱥ , ȼ ɠԥɧɟ D ɬɿɪɟɤɬɟɪɿɧɞɟɝɿ ɪɟɚɤɰɢɹɥɚɪɵɧ ɚɧɵԕɬɚɭ ɤɟɪɟɤ.

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