7. Kuch qаndаy аsbоbdа о`lchаnаdi?
A) Tаrоzi B) Spidоmetr С) Menzurkа D) Dinаmоmetr.
8.. Оg`irlik kuchi 550 N bо`lgаn bоlаning mаssаsi qаnchа?
A) 55 kg B) 550 kg C) 5,5 kg D) 65 kg
9. “Matiz” avtomobili tekis harakatlanib 20 sekundda 300 m yo‘l bosib o‘tdi. Uning tezligini toping (m/s).
A) 5 B)10 C) 30 D) 15
10. 144 km/soat necha m/s ga teng?
A) 40 B) 72 C) 36 D) 2
11. Velosipedchi tekis harakat qilib, 36 m masofani 4 sekundda o‘tdi. U xuddi shu tezlik bilan 10 sekundda qancha yo‘l bosib o‘tadi?
A) 124 m B) 9 m C) 90 m D) 30 m
12.Tabiatda kuchlarning turli ko`rinishda namoyon bo’lishini hayotiy misollarda tushuntirish.
Og`irlik kuchi-_______________________________________________
Ishqalanish kuchi-____________________________________________
Elastiklik kuchi-_____________________________________________
Tortishish kuchi-_____________________________________________
Elekt va magnit kuchi- ________________________________________
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