Ishqalanish kuchi
24. Gorizontal tekislikda sirpanish ishqalanish kuchi ................... 18
25. Qiya tekislikda sirpanish ishqalanish kuchi ............................ 19
26. Bir nechta kuchlar ta’siri ostidagi harakat ............................... 20
27. Ko‘chmas va ko‘char bloklar .................................................. 21
28. Jism va kuch impulsi ............................................................... 21
29. Impulsning saqlanish qonuni ................................................... 21
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