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10-A sinf test

Authored by Azamat Yuldoshev

Physics

10th Grade

Used 3+ times

10-A sinf test
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Bir gorizontal harakatlanayotgan K va Lmashinalarning koordinata-vaqt grafigi quyidagirasmda ko’rsatilgan. Bunga asosan, quyidagilardan qaysilari to’g’ri?

I. (0 - t) oralig’ida mashinalar qarama-qarshi yo’nalishda harakatlanagan.

II. (t - 2t) oralig’ida L mashina, K mashinaga yaqinlashmoqda.

III. 2t onda mashinalar orasidagi masofa x ga teng.

Faqat I

Faqat II

I va II

II va III

I, II va III

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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To’g’ri chiziq bo’ylab harakatlanayotgan jismning tezlik-vaqt grafigi rasmda tasvirlangan. Jismning 0 - t oralig’idagi o’rtacha tezligi V bo’lsa, 0 - 4t oralıg’ida o’rtacha tezligi nimaga teng?

5V/4

3V/2

2v

9V/4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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To’g’ri chiziqli bir yo’lda harakatlanayotgan K va L mashinalarning koordinata-vaqt grafiklari rasmda ko’rsatilgan. L mashinaning yerga nisbatan tezligi V⃗⃗ bo’lsa, uning K mashinaga nisbatan tezligi qanday?

-V

-V/2

V/2

V

3V

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Rasmda ko’rsatilgan mutlaq silliq tekislikda 3 kg va 2 kg massali jismlar erkin qo’yib yuborilganda, ipda hosil bo’lgan T taranglik kuchini necha N bo’ladi? (g = 10 m/s2)

12

14

16

18

20

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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X, Y, Z jismlardan tashkil topgan rasmdagi sistema t = 0 onda erkin qo’yib yuborilganda Y jism 1 m/s2 tezlanish bilan harakat boshlaydi. 5 sekund keyin Y bilan Z jismlarni bog’lab turuvchi ip uziladi. Bunga asosan, ip uzilgandan necha sekund o’tib Y jism to’xtaydi? (g = 10 m/s2)

1

2

3

4

5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

X va Y jismlar ip bilan bir-biriga bog’langan va Y jismga rasmda ko’rsatilgandek 20 N kuch ta’sir etmoqda. Ipdagi taranglik kuchi 5 N, X jismning massasi 1 kg bo’lsa, Y jismining massasi necha kg? (Ishqalanish mavjud emas.)

2

3

4

5

6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jismning bir nuqtasiga 6 N va 8 N kuch bir-biriga nisbatan 0O burchak ostida qo‘yilgan. Jismga ta’sir qiluvchi natijaviy kuchni toping (N).

2

6

8

10

14

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