Rasmda keltirilgan kuchlarning qaysilari jismni faqat ilgarilanma harakatga keltiradi? (O–massalar markazi.)

7-sinf uchun Aylanish effektlari

Flashcard
•
Physics
•
7th Grade
•
Easy
Azamat Yuldoshev
Used 2+ times
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10 questions
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1.
FLASHCARD QUESTION
Front
Back
1, 3, 5
2.
FLASHCARD QUESTION
Front
1 m uzunlikdagi bir jinsli sterjenning og‘irlik markazini 10 cm surish uchun uning bir uchidan necha cm uzunlikdagi qismini kesib olish kerak?
Back
20
3.
FLASHCARD QUESTION
Front
Kuchni 2 marta orttirib, yelka 4 marta kamaytirilsa, kuch momenti qanday o‘zgaradi?
Back
2 marta kamayadi.
4.
FLASHCARD QUESTION
Front
Vaznsiz richagning A nuqtasiga massasi 200 g bo‘lgan yuk osilgan. Agar AO=5 cm, OB=2 cm bo‘lsa, B nuqtaga osilgan richagni muvozanatlovchi dinamometr necha Nyutonni ko‘rsatadi? g= 10 N/kg.
Back
0.5
5.
FLASHCARD QUESTION
Front
Rasmdagi Vaznsiz richag muvozanatda bo‘lishi uchun uning tayanchi yuk osilgan nuqtalardan necha metr uzoqlikda bo‘lishi kerak?
Back
0.6 va 0.2
6.
FLASHCARD QUESTION
Front
Agar yerda yotgan sterjenning bir uchidan 12 N kuch bilan ko‘tarish mumkin bo‘lsa, sterjenning massasi qanday (kg)?
Back
2.4
7.
FLASHCARD QUESTION
Front
Ikki kishi og‘irligi 600 N va uzunligi 6 m bo‘lgan bir jinsli taxtani ko‘tarib ketmoqda. Taxtaning uchlari birinchi ishchining yelkasidan 1 m, ikkinchi ishchining yelkasidan 2 m chiqib turibdi. Taxta har bir ishchi yelkasiga qanday kuch (N) bilan bosmoqda?
Back
200; 400
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