7-sinf uchun fizikadan test savollari

7-sinf uchun fizikadan test savollari.
1.Fazo necha o`lchamli?

a) 3o`lchamli b)2 o`lchamli s)1o`lchamli d)T.J.Y

2.Qaralayotgan holda o`lchamlari va shaklini hisobga olmasa ham bo`ladigan kichik jism deyiladi

a)moddiy jism b)trayektoriya s)moddiy nuqta d)vaqt

3.Ko`chish deb nimaga aytiladi?

a) trayektoriyaning bir qismi b) trayektoriyaning vaqt ichida bosib o`tilgan qismi s)jismning boshlang`ich va oxirgi vaziyatini tutashtiruvchi to`g`ri chiziq d)vektor kattalik

4. Jism teng vaqtlar ichida teng yo`llarni bosib o`tsa bunday harakatga deyiladi.

a) notekis harakat b)ilgarilanma harakat

s)tekis harakat d) aylanma harakat

5. Tekis o`zgaruvchan harakatda tezlanish formulasini belgilang

a) a=V/t b) a=(V-V₀) /t s) V=V₀ +at d) t=V/a

6. Tekis o`zgaruvchan harakat tezligini topish formulasini belgilang.

a) a=V-V₀/t b) V=V₀/t S)V=at d) V=S/t

7.Tekis o`zgaruvchan harakatda bosib o`tilgan yo`lni to`pish formulasini begilang

a)a=V-V₀ /t b) S=at²/2 s)S=V₀t+_-at²/2 d)S=V.t

8. Havosiz joyda jismning faqat yerning ta’siridagi harakati

deyiladi?

a)erkin tushish b)notekis harakat s)tezlanish d)tekis harakat.

9.Agar raketa 40m/s² tezlanishi bilan harakat boshlagan bo`lsa, 2s dan so`ng uning tezligi qanday bo`ladi(m/s)?

a)80 b)20 s)60 d)38

10. Avtomabil tekis tezlanuvchan harakat qilmoqda uning bo`shlang`ich tezligi 2 m/s, oxirgi tezligi 18 m/s bo`lsa, o`rtacha tezlikni toping?

a)20m/s b) 16 m/s s)9 m/s d)10 m/s

11.Erkin tushish boshlanganidan 4s o’tgan paytda jism tezligi necha m/s bo`ladi?

a)40 b)30 c)20 d)10

12.Moddiy nuqtaning aylanma tekis harakatida tezlikni topish formulasini belgilang.

a)V=S/t b) V=V₀+t s)V=2пR/T d)V=at

13.Erkin tushish tezlanishi nechaga teng?

a)9,8 b)11 s) 0,98 d)10

14.Aylanma harakatda chiziqli va burchakli tezliklar orasidagi bo`lanishni ifodalaydigan formulani belgilang?

a)V=W/R b)V=WR s) V=2пR/t d) V=S/t

15.Aylanma harakatda tezlanish formulasini belgilang?

A)a=V-V₀/t b)V=WR s)a=V²/R d)a=S²/t

16.Kuchning o`lchov birligini yozing?

17.Nyutonning II qonuni formulasini belgilang?

18.Tezlanishning o`lchov birligini yozing?

19.1 soat necha sekundga teng?

20.720km/soat necha m/s ga teng?

21.Aylanish davri qanday harf bilan belgilanadi?

22.Aylanish chastotasi ta’rifini yozing?

23.Chastotaning o`lchov birligi nima?

24.Nyutonning III qonuni formulasini yozing

25.Vektor kattaliklarga misol yozing?

7-sinf fizika fanidan test kalitlari

Savol	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Javob	a	a	s	s	b	b	s	a	a	d	a	s	a	b	s

Yopiq test javoblari

16. 
    Nyuton
    
17. 
    a=F/m
    
18. 
    m/s ²
    
19. 
    3600 s
    
20. 
    20 m/s
    
21. 
    T
    
22. 
    Birlik vaqt ichidagi aylanishlar soni aylanish chastotasi deyiladi
    
23. 
    Gers (Hz)
    
24. 
    F₁=-F₂
    
25. 
    F,V,a, S,…