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III bob. JISMLARNING MUVOZANATI. ODDIY MEXANIZMLAR
Kirish suhbati ..............................................................................................................................84
30-mavzu. Jismlarning massa markazi va uni aniqlash. Muvozanat turlari ............................84
31-mavzu. Kuch momenti. Richag va uning muvozanat sharti ................................................ 87
32-mavzu. Laboratoriya ishi. Richagning muvozanatda bo‘lish shartini o‘rganish .................. 89
33-mavzu. Oddiy mexanizmlar: blok, qiya tekislik, vint, 
pona va chig‘iriqning qo‘llanilishi .......................................................................................90
34-mavzu. Mexanizmlardan foydalanishda ishlarning tengligi ................................................. 93
35-mavzu. Mexanikaning oltin qoidasi. Mexanizmning foydali ish koeffitsiyenti ................... 95
III bobni yakunlash bo‘yicha nazorat savollari .........................................................................97
Yakuniy suhbat ............................................................................................................................99