Kamalak qanday paydo bo`lishini tabiiy misollarda tushuntirihg

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7-sinf NI va Lab Dildoraxon 2022

Laboratoriya ishi-1 Mavzu

14.Kamalak qanday paydo bo`lishini tabiiy misollarda tushuntirihg.
Masalan: ______________________________________________________
15. Bu jumlalar qaysi allomalarga tegishli.
“Quyosh nuridagi mavjud haroratning sababi haqida ba`zilar bunga sabab desalar,
ba`zilar esa nur aksi- burchaklarining o`tkirligi sabab deganlar. Unday emas, balki
nurning o`zida harorat mavjud”-deydilar. Bu fikr Quyoshdan Yerga issiqlik nurlanish
tufayli kelishini isbotlaydi.
Laboratoriya ishi-1
Mavzu: Notekis harakatning o„rtacha tezligini aniqlash.
Ishning maqsadi: notekis harakatlanayotgan jismning o„rtacha tezligini aniqlash.
Kerakli asbob va jihozlar: stol, ko„chmas blok, yog„och brusok, yuklar to„plami,
o„lchov lentasi, sekundomer.
Ishni bajarish tartibi:
1.Stol chetiga ko„chmas blokni gorizontal holatda o„rnating.
2.Ko„chmas blok orqali ipni o„tkazib, uning bir uchiga yog„och brusokni bog„lang.
3.Stol chetidan ma‟lum bir uzoqlikka yog„och brusokni qo„ying.
4.Stol chetidan brusokkacha bo„lgan masofani o„lchov lentasi yordamida o„lchang.
5.Ipning ikkinchi uchiga m massali birorta yuk bog„lang. Brusokni harakatga
keltiradigan yuk tanlang.
6.Yog„och brusokni dastlabki holatiga qaytaring va uni ushlab turing.
7.Yog„och brusokni qo„yib yuborayotganingizda sekundomerni ishga tushiring.

8.Yog„och brusok harakati stol oxiriga yetganda to„xtatiladi. Vaqt o„lchashni ham shu
zahoti to„xtating. Sekundomer ko„rsatkichini yozib oling.
9.
Yog„och brusok o„rtacha tezligini 𝐯
𝐨
„𝐫𝐭
=
𝐒
𝐭
formula yordamida hisoblang va
jadvalga yozing.
10.
Tajribani turli masofalarda takrorlang. Xulosa yozing.
№
Masofa S, m
Vaqt t, s
Tezlik v, m/s
1
2
3
4
XULOSA:_______________________________________________________________
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