1-nazorat ishi nazorat shakli: Yozma ish 1

 

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5-NAZORAT ISHI 

 

Nazorat shakli: Yozma ish  

 

1

 1 m/s

2

 tezlanish bilan tushayotgan liftdagi 20 kg massali bolaning 

vazni qanday(N)? g=10m/s

2

 

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2  

2 kg massali yuk osilganda, 5sm uzunlikdagi prujina 1sm uzaydi. 

Prujinaning bikrligini aniqlang (N/m).