Gorizontal holatdagi yog‘och taxtaning sirtida yog‘ochdan yasalgan 1 kg massali taxta-cha tekis sirpantirilmoqda. Bunda hosil bo‘lgan sirpanish ishqalanish kuchini toping. µ = 0,5 deb oling. g = 10 m/s2.
A) 3 N
B) 5 N
C) 4 N
D) 1 N
Gorizontal holatdagi yog‘och taxtaning sirtida yog‘ochdan yasalgan 1 kg massali taxta-cha tekis sirpantirilmoqda. Bunda hosil bo‘lgan sirpanish ishqalanish kuchini toping. µ = 0,5 deb oling. g = 10 m/s2.
A) 3 N
B) 5 N
C) 4 N
D) 1 N
Javob: B
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