prujina bikirligini aniqlash 7-sinf

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1645562162.ppt powerpoint presentation 7-sinf fizika darsligi asosida 25-mavzu: prujina bikirligini aniqlash (2-laboratoriya ishi) ishning maqsadi: eng oddiy dinamometr prujinasining bikirligini aniqlash orqali jismlarning deformatsiyasi va bikirligi haqida tasavvurlarni kengaytirish, elastiklik kuchi haqida olingan nazariy bilimlarni mustahkamlash. kerakli jihozlar: shtativ, eng oddiy dinamometr, yuklar to‘plami, millimetrli qog‘oz. ishni bajarish tartibi prujinadan dinamometr yasash uchun shkalasiga millimetrli qog‘oz yopishtiring. dinamometrni shtativga 87-rasmda ko‘rsatilganidek mahkamlang. 3. dinamometr ko‘rsatkichining boshlang‘ich vaziyatini shkaladagi millimetrli qog‘ozga belgilang. 4. dinamometr ilgagiga m1 massali yukni iling, uning ta’sirida prujinaning δl1 uzayishini o‘lchang va natijani jadvalga yozing. 5. massalari m2 va m3 bo‘lgan yuk uchun ham prujinaning δl2, δl3 cho‘zilishlarini o‘lchang va natijalarni jadvalga yozing. 6. dinamometrga osilgan har bir yuk uchun prujinaga ta’sir etgan tashqi kuchlarni ft = mg formula bo‘yicha hisoblang va natijalarni jadvalga yozing (g = 10 m/s2 deb oling). 7. har bir o‘lchangan ∆l1, ∆l2, ∆l3 va hisoblangan ft1, ft2, ft3 natijalarni k = ft …

natish kerak? kuchni o‘lchash vaqtida dinamometrning shkalasiga qanday qarash kerak? iv bob bo‘yicha xulosa

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1645562162.ppt powerpoint presentation 7-sinf fizika darsligi asosida 25-mavzu: prujina bikirligini aniqlash (2-laboratoriya ishi) ishning maqsadi: eng oddiy dinamometr prujinasining bikirligini aniqlash orqali jismlarning deformatsiyasi va bikirligi haqida tasavvurlarni kengaytirish, elastiklik kuchi haqida olingan nazariy bilimlarni mustahkamlash. kerakli jihozlar: shtativ, eng oddiy dinamometr, yuklar to‘plami, millimetrli qog‘oz. ishni bajarish tartibi prujinadan dinamometr yasash uchun shkalasiga millimetrli qog‘oz yopishtiring. dinamometrni shtativga 87-rasmda ko‘rsatilganidek mahkamlang. 3. dinamometr ko‘rsatkichining boshlang‘ich vaziyatini shkaladagi millimetrli qog‘ozga belgilang. 4. dinamometr ilgagiga m1 massali yukni iling, uning ta’sirida prujinaning δl1 uzayishini o‘lchang v...

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