7-A sinf 23.12

7-A sinf 23.12

7th Grade

10 Qs

quiz-placeholder

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7-A sinf 23.12

7-A sinf 23.12

Assessment

Quiz

Physics

7th Grade

Practice Problem

Medium

Created by

Azamat Yuldoshev

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

To‘p suv ichida pastga tushmoqda. To‘pga rasmda ko‘rsatilganidek, ikkita kuch ta’sir qiladi? To‘pning massasi 0,8 kg bo‘lsa, uning tezlanishining miqdorini hisoblang.

1 m/s2

1.5 m/s2

2 m/s2

2.5 m/s2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

0,4 kg massali plastilin shar 2 m/s tezlik bilan harakatlanib, 0,1 kg massali tinch turgan plastilin sharga absolyut noelastik to‘qnashdi. Shundan so‘ng ular birlashib, harakatni davom ettirdi. Ular birgalikda qanday tezlik bilan harakatlanadi?

0.2 m/s

1.6 m/s

1.2 m/s

2.4 m/s

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Rasmda ko‘rsatilgan aravachaga ta’sir etayotgan kuchlarning natijaviysini aniqlang.

0 N

4 N

6 N

3 N

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kuch impulsining birligini ko‘rsating?

N∙s

N∙s2

N/s

N/s2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Harakat miqdorining birligi ko'rsatilgan javobni belgilang.

kg⋅s

kg⋅m/s

kg⋅s/m

kg/m

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Grafikda jismning to‘g‘ri chiziqli harakatlanish paytidagi tezligining vaqtga bog‘lanishi ko‘rsatilgan. Bu jismga boshqa jismlar ta’sir etgan (yoki ularning ta’sirlari muvozanatlashmagan) vaqt oralig‘ining davomiyligi qancha?

1 s

2 s

3 s

4 s

Answer explanation

Jismga boshqa jism ta'sir etmasa, tinch holatda bo'ladi yoki tekis harakat qiladi. Kuch ta'sir etsa, tezlanish oladi.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Rasmda yo‘lning burilish joyida harakatlanayotgan mashina tasvirlangan. Mashina strelka bilan ko‘rsatilgan yo‘nalishda harakatlanmoqda.

Mashinaning egri yo‘lda harakatlanishini ta’minlaydigan kuchning yo‘nalishini qanday?

Pastga

Chapga

Tepaga

O'ngga

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