Page 177 - index

Ɍɟɪɛɟɥɿɫ ɩɟɪɢɨɞɵɧ 19-ɮɨɪɦɭɥɚɦɟɧ ɬɚɛɚɦɵɡ: Ɍ 2S 0,448ɫ .
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ɋɨɧɵɦɟɧ, ɠԛɤ ɬɟɩɟ-ɬɟԙɞɿɤ ɦɚԙɵɧɞɚ, ɚɦɩɥɢɬɭɞɚɫɵ ɚ 2,03 ɫɦ , ɩɟɪɢɨɞɵ

Ɍ 0,448 ɫ ɲɚɦɚɫɵɧɚ ɬɟԙ ɝɚɪɦɨɧɢɤɚɥɵԕ ɬɟɪɛɟɥɿɫ ɠɚɫɚɣɞɵ.

§2. ɇԛɤɬɟɧɿԙ ԧɲɩɟɥɿ ɬɟɪɛɟɥɿɫɬɟɪɿ
ȿɝɟɪ ԕɨɫɵɦɲɚ ԥɫɟɪ ɛɨɥɦɚɫɚ, ɨɧɞɚ ɧԛɤɬɟɧɿԙ ɟɪɤɿɧ ɝɚɪɦɨɧɢɤɚɥɵԕ
ɬɟɪɛɟɥɿɫɬɟɪɿ ɛɟɥɝɿɥɿ ɛɿɪ ɭɚԕɵɬɬɚɧ ɤɟɣɿɧ ɬɨԕɬɚɩ ԕɚɥɚɞɵ. Ɉԑɚɧ ɫɟɛɟɩ – ɬɟɪɛɟɥɿɫ
ɬɭɵɧɞɚԑɚɧ ɨɪɬɚɧɵԙ ɤɟɞɟɪɝɿɫɿ. Ȼԝɪɵɧ ɚɣɬɵɥԑɚɧɞɚɣ, ɨɪɬɚɧɵԙ ɤɟɞɟɪɝɿ ɤԛɲɿ
ɧԛɤɬɟɧɿԙ ɠɵɥɞɚɦɞɵԑɵɧɚ ɬԥɭɟɥɞɿ ɛɨɥɚɞɵ. ȿɝɟɪ ɧԛɤɬɟ ԕɨɡԑɚɥɵɫɵ ɠɚɣɵɪɚԕ
ɛɨɥɫɚ, ɨɧɞɚ ɤɟɞɟɪɝɿ ɤԛɲɿ ɫɵɡɵԕɬɵԕ ɡɚԙɞɵɥɵԕɩɟɧ ԧɡɝɟɪɟɞɿ, ɚɥ ɧԛɤɬɟ
ԕɨɡԑɚɥɵɫɵ ɠɵɥɞɚɦ ɛɨɥɫɚ, ɨɧɞɚ ɤɟɞɟɪɝɿ ɤԛɲɿ ɤɜɚɞɪɚɬ ɧɟɦɟɫɟ ɨɞɚɧɞɚ ɤԛɪɞɟɥɿ
ɡɚԙɞɵɥɵԕɩɟɧ ԧɡɝɟɪɟɞɿ. Ȼԝɥ ɩɚɪɚɝɪɚɮɬɚ, ɟɪɤɿɧ ɬɟɪɛɟɥɿɫɤɟ ɫɵɡɵԕɬɵԕ
ɡɚԙɞɵɥɵԕɩɟɧ ԧɡɝɟɪɟɬɿɧ ɤɟɞɟɪɝɿ ɤԛɲɿɧɿԙ ԥɫɟɪɿ ԕɚɪɚɫɬɵɪɵɥɚɞɵ.
Ԕɨɡԑɚɥɵɫɬɚԑɵ ( Ox ɨɫɿɧɿԙ ɛɨɣɵɦɟɧ) ɧԛɤɬɟɝɟ ԥɫɟɪ ɟɬɟɬɿɧ ɤԛɲɬɟɪ (6-ɫɭɪɟɬ):

- ɫɵɡɵԕɬɵԕ ԕɚɥɩɵɧɚ ɤɟɥɬɿɪɭɲɿ ɤԛɲ – F c ˜ OM ;
- ɧԛɤɬɟ ɠɵɥɞɚɦɞɵԑɵɧɵԙ ɛɿɪɿɧɲɿ ɞԥɪɟɠɟɫɿɧɟ ɩɪɨɩɨɪɰɢɨɧɚɥ ɤɟɞɟɪɝɿ ɤԛɲɿ –
R b˜v.
Ȼԝɥ ɬɟԙɞɿɤɬɟɝɿ b – ɤɟɞɟɪɝɿ ɤɨɷɮɮɢɰɢɟɧɬɿ ɞɟɩ ɚɬɚɥɚɬɵɧ, ɬԝɬԕɵɪ ɨɪɬɚɧɵԙ
ɤɟɞɟɪɝɿɫɿɧ ɫɢɩɚɬɬɚɣɬɵɧ ɬԝɪɚԕɬɵ ɲɚɦɚ.

6-ɫɭɪɟɬ

Ʉɟɡ ɤɟɥɝɟɧ ɭɚԕɵɬɬɚԑɵ M ɧԛɤɬɟɫɿɧɿԙ ɨɪɧɵ 6-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧ.
Ʉɨɨɪɞɢɧɚɬ ɛɚɫɵ ɪɟɬɿɧɞɟ ɧԛɤɬɟɧɿԙ ɬɟɩɟ-ɬɟԙɞɿɤ ɤԛɣɞɟ ɛɨɥɚɬɵɧ O ɧԛɤɬɟɫɿ
ԕɚɛɵɥɞɚɧԑɚɧ.

ɇԛɤɬɟ ԕɨɡԑɚɥɵɫɵɧɵԙ ɞɢɮɮɟɪɟɧɰɢɚɥɞɵԕ ɬɟԙɞɟɭɿ:

xx

m x Fx Rx .

Ԕɚɥɩɵɧɚ ɤɟɥɬɿɪɭɲɿ ɤԛɲɬɿԙ Ox ɨɫɿɧɟ ɩɪɨɟɤɰɢɹɫɵ ɧԛɤɬɟ ԕɚɣ ɠɟɪɞɟ

ɛɨɥɦɚɫɵɧ – Fx c ˜ x ɬɟԙɞɿɝɿɦɟɧ ɚɧɵԕɬɚɥɚɞɵ, ɚɥ ɤɟɞɟɪɝɿ ɤԛɲɿɧɿԙ Ox ɨɫɿɧɟ

ɩɪɨɟɤɰɢɹɫɵ ɧԛɤɬɟ ԕɚɣ ɠɟɪɞɟ ɛɨɥɦɚɫɵɧ ɠԥɧɟ ɨɧɵԙ ɠɵɥɞɚɦɞɵԑɵɧɵԙ ɛɚԑɵɬɵ
ԕɚɣ ɠɚԕԕɚ ɛɚԑɵɬɬɚɥɫɚ ɞɚ (ɛԝɥ ɤԛɲ ԥɪɭɚԕɵɬɬɚ ɞɚ ɠɵɥɞɚɦɞɵԕ ɛɚԑɵɬɵɧɚ

ԕɚɪɚɦɚ-ԕɚɪɫɵ ɛɚԑɵɬɬɚɥɚɞɵ) - Rx b ˜ x ɬɟԙɞɿɝɿɦɟɧ ɚɧɵԕɬɚɥɚɞɵ. ɋɨɧɞɵԕɬɚɧ:

xx ɫ ˜ x b ˜ x ɧɟɦɟɫɟ xx b ˜ x c 0.
m m
mx x x

Ɍɟԙɞɟɭɞɟɝɿ ɬԝɪɚԕɬɵ ɲɚɦɚɥɚɪɞɵ

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