Page 269 - index
P. 269
62-ɫɭɪɟɬ
ɀԛɤɬɟɪɞɟɧ, ɲɵԑɵɪɥɚɪɞɚɧ ɠԥɧɟ ɠɿɩɬɟɪɞɟɧ ɬԝɪɚɬɵɧ ɠԛɣɟɧɿԙ ɟɪɤɿɧɞɿɤ
ɞԥɪɟɠɟɫɿ ɟɤɟɭ, ԧɣɬɤɟɧɿ ɨɧɵԙ ɨɪɧɵ ɟɤɿ ɲɚɦɚɦɟɧ – s1 ɠԥɧɟ s2 ɲɚɦɚɥɚɪɵɦɟɧ
ɬɨɥɵԑɵɦɟɧ ɚɧɵԕɬɚɥɚɞɵ. ɀɚɥɩɵɥɚɧԑɚɧ ɤɨɨɪɞɢɧɚɬɬɚɪ ɪɟɬɿɧɞɟ s1 ɠԥɧɟ s2
ɲɚɦɚɥɚɪɵɧ ԕɚɛɵɥɞɚɣɦɵɡ.
Ԕɚɛɵɥɞɚɧԑɚɧ ɠɚɥɩɵɥɚɧԑɚɧ ɤɨɨɪɞɢɧɚɬɚɥɚɪɞɵԙ ɟɤɟɭɿ ɞɟ ԛɥɤɟɣɟɞɿ ɞɟɩ
ɟɫɟɩɬɟɩ, ɠԛɣɟɧɿԙ ɠɚɥɩɵɥɚɧԑɚɧ ɤԛɲɿ ɠԥɧɟ ɤɢɧɟɬɢɤɚɥɵԕ ɷɧɟɪɝɢɹɫɵ ԛɲɿɧ
ɬɟԙɞɟɭ ԕԝɪɚɦɵɡ.
Ⱥɥɞɵɦɟɧ, s1 ɤɨɨɪɞɢɧɚɬɚɫɵɧ G s1 ɲɚɦɚԑɚ ԧɡɝɟɪɬɿɩ, ɚɥ s2 ɤɨɨɪɞɢɧɚɬɚɫɵɧ
ԧɡɝɟɪɬɩɟɣ ɠԛɣɟɝɟ ɜɢɪɬɭɚɥɞɵ ɨɪɵɧ ɚɭɵɫɬɵɪɭ ɛɟɪɟɦɿɡ.
Ȼɟɥɫɟɧɞɿ ɤԛɲɬɟɪɞɿԙ ( P1 m1g , P2 m2 g , P3 m3 g ) ɨɫɵ ɨɪɵɧ ɚɭɵɫɬɵɪɭԑɚ
ɫԥɣɤɟɫ ɜɢɪɬɭɚɥɞɵ ɠԝɦɵɫɬɚɪɵ: GA P1G s1 P2G s1 P3G s1 (m1m2 m3 )gG s1 .
ɋɨɧɞɵԕɬɚɧ
Q1 G A1 (m1 m2 m3 ) g .
G s1
ȿɧɞɿ s2 ɤɨɨɪɞɢɧɚɬɚɫɵɧ G s2 ɲɚɦɚԑɚ ԧɡɝɟɪɬɿɩ, ɚɥ s1 ɤɨɨɪɞɢɧɚɬɚɫɵɧ
ԧɡɝɟɪɬɩɟɣ ɠԛɣɟɝɟ ɜɢɪɬɭɚɥɞɵ ɨɪɵɧ ɚɭɵɫɬɵɪɭ ɛɟɪɟɦɿɡ. Ȼɟɥɫɟɧɞɿ ɤԛɲɬɟɪɞɿԙ
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