shart Massasi kg bo’lgan sharcha uzunligi 2m bo’lgan ipga bog’lab aylantirilmoqda. Bunda tezlik 2m/s ga teng. Markazga intilma kuchni toping


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1-shart
1.Massasi 1 kg bo’lgan sharcha uzunligi 2m bo’lgan ipga bog’lab aylantirilmoqda.Bunda tezlik 2m/s ga teng.Markazga intilma kuchni toping.
2.Massasi 0,5 bo’lgan jism radiusi 1m bo’lgan aylana bo’ylab harakatlanmoqda.Markazga intilma kuch 2N ga teng.Jism tezligini toping.
3.40N ta’sirida 50smga uzaygan purjina bikirligini toping.
4.Bikirligi 1000N/m gat eng bo’lgan purjinani 4sm ga uzyishi uchun necha nyuton kuch kerak?

2-shart



SAVOL

JAVOB

1

2 N kuch ta’sirida 10 sm ga uzaygan rezinaning bikirligini toping.

9N

2

Purjina bikirligi 400N/m ga teng.Purjina 1sm ga uzaygan bo’lsa elastiklik kuchini toping.

4m/s

3

Massasi 0,5 bo’lgan jism radiusi 1m bo’lgan aylana bo’ylab harakatlanmoqda.Markazga intilma kuch 8N ga teng.Jism tezligini toping.



20N/m

4

Massasi 1kg bo’lgan jism uzunligi 1m bo’lgan ipga bog’lab 3m/s tezlik bilan aylantirilmoqda.Markazga intilma kuch qanchaga teng.

4N

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