Wykorzystujac zaleznosc ze 1kg masy Ziemia przyciaga sila okolo 10N , oblicz:
A) ciezar ciala o masie 50 kg
B) mase ciala o ciezarze 50N
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50kg*10N=500N
50N/10=5kg
50kg x 10N=500N
50N : 1kg = 5kg