100 N kuch ta’sirida jism 20 m ga ko‘chirildL Kuch va ко4 chish orasidagi burchak 60° bo’lsa, kuchning bajargan ishini toping (J). 100 N kuch ta’sirida jism 20 m ga ko‘chirildL Kuch va ко4 chish orasidagi burchak 60° bo’lsa, kuchning bajargan ishini toping (J). F=100 N S=20 m A-? Aravachani 20 N kuch ta'sirida 5 m masofaga siijitishda bajarilgan ish 50 J ga teng. Kuch va ko‘chish vektorlari orasidagi burchakni toping. A) 0°. B) 30 C) 45c D) 60' E) 90° F= 20 N ; S=5 m ; A= 50 J; -? Odam massasi 2 kg boigan jismni 1 metr balandlikka 4 m / s2 tezlanish bilan koiarganida qancha ish (j)bajaradi? g = 10m/s2. A) 24 3)25 C) 26 D)21 E) 28 10. Massasi 4 kg boigan jism 60 N kuch yordamida 5 in balandlikka коlarildi. Kuchning bajargan ishi necha joulga teng? A) 20 В) 30 С) 120 D) 200 E) 300
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