7-sinf iii-chorak uchun Fizika fanidan ichki monitoring testlari

7-sinf III-chorak uchun Fizika fanidan ichki monitoring testlari

1. 
   Markazga intilma tezlanish formulasi kaysi ifodada tugri ko’rsatilgan?
   

A) a=F/m B) a=v²/R C) a=(v-v₀)/t D) a=v/t

2. 
   Burchakli ko’chishning vaqtga nisbati qanday fizik kattalik?
   

A) chastota B) davr C) burchakli tezlik D) tezlanish

3. 
   Soatning minut mili aylanishining chastotasini toping.(Hz)
   

A) 1/3600 B) 1/7200 C) 1/100 D) 100

4. 
   Avtomabil 200 m radiusli aylana yo’lda 72 km/soat tezlik bilan harakatlanadi. Uning markaziga intilma tezlanishi qancha m/s² ga teng?
   

A) 2 B) 3 C) 4 D) 5

5. 
   Aylanma tekis harakatga chiziqli tezlik va burchakli tezlik bog’lanish formulasini ko’rsating.?
   

A) υ=2pR/T B) ω=2p υ C) ω=2p/T D) υ=ωR

6. 
   Agar moddiy nuqta aylana bo’ylab teng vaqtlar orasida teng yollarni bosib o’tsa, bunday harakat ....... harakat deyiladi.
   

A) aylanma o’zgaruvchan B) aylanma tezlik C) tekis D) notekis

7. 
   Aylanma tekis harakatdagi chiziqli tezlik formulasini ko’rsating.1) V=2pR/T, 2) V=wR, 3)V=2pRV
   

A) 1 B) 2 C) 3 D) 1,2,3

8. 
   0,1 s davomida g’ildirak 1 chapga buriladi. Uning o’qidan 5sm uzoqlikdagi nuqtasining chiziqli tezligini toping.
   

A) 0,5 m/s B) 5 m/s C) 50m/s D) 10m/s

9. 
   Velosiped g’ildiragining o’qidan eng uzoq nuqtasi 0,02 s davomida 20s yo’lni bosib o’tdi. Velosipedning tezligini toping.
   

A) 0,36 km/soat B) 3,6 km/soat C) 36 km/soat D) 4 km/soat

10. 
    Soatning 30 mm uzunlikdagi minut mili uchi 10 minutda 31,4 mm uzunlikdagi yo’lni bosib o’tdi. Minut mili uchining chiziqli tezligini toping.
    

A) 0,00005 m/s B) 0,0005 m/s C) 0,005 m/s D) 0,5 m/s
11. Aylanma tekis harakatda tezlanish qanday yo’nalgan?
A) radius bo’ylab markazga B) radius bo’ylab markazdan
C) urinma bo’ylab D) xar xil yo’nalgan bo’lishi mumkin
12 .Uzunligi 25 sm bo’lgan ipga bog’langan sharcha 5 m/s chiziqli tezlik bilan aylanmoqda. Sharning markaziga intilma tezlanishini toping. (m/s²).
A) 10 B) 100 C) 1 D) 2
13. Avtomabil 90 km/soat tezlik bilan tekis harakatlanmoqda. Agar avtomobil g’ildiragining raidusi 35 sm bo’lsa, g’ildirak markazidan shuncha masofa uzoqlikdagi nuqtasining markaziga intilma tezlanishini toping. (m/s²)
A) 1786 B) 2000 C) 2800 D) 50
14. Velosiped raidusi 25 m bo’lgan aylanma yo’lda 10 m/s tezlik bilan tekis harakatlanmoqda. Uning markaziga intilma tezlanishini toping. (m/s2)
A) 5 B) 4 C) 3 D) 2
15. Aylanma tekis harakatda aylanish davri va chastotasi bog’lanishi formulasini ko’rsating.
A) T=2pR/V B) T=t/N C) T=1/v D) t=T*N
Fan o’qituvchisi: Bayzakova Adiba