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Force Units

The Newton (N) is the SI unit of force: 1 N = 1 kg·m/s². Other common units include:

Unit	= Newtons	Notes
1 dyn	0.00001	CGS unit (1 g·cm/s²)
1 pdl	0.138255	Poundal (1 lb·ft/s²)
1 N	1	SI unit
1 daN	10	Dekanevton ≈ 1 kgf
1 kgf	9.80665	Kilogram-kuch (= 1 kg × g)
1 lbf	4.44822	Pound-force
1 kN	1000	Kilonewton
1 kip	4448.22	Kilopound (1000 lbf)
1 MN	1000000	Meganewton

Umumiy ekvivalentlar

1 kgf = 9,80665 N (standart tortishish tezlanishi ta'rifi bo'yicha aniq qiymat)

1 lbf = 4,44822 N

1 daN ≈ 1,0197 kgf (Yevropa amaliyotida ko'pincha o'zaro almashtirilib ishlatiladi)

Muhandislikda keng qo'llaniladigan kuch qiymatlari

From → To	Multiply by	Misol
N → lbf	0.22481	100 N = 22,48 lbf
lbf → N	4.44822	100 lbf = 444,8 N
N → kgf	0.10197	100 N = 10,20 kgf
kgf → N	9.80665	100 kgf = 980,7 N
kN → kip	0.22481	10 kN = 2,248 kip
kip → kN	4.44822	1 kip = 4,448 kN

Muhandislik ilovalarida kuch

• Bolt preload: Odatda kN birligida ifodalanadi (masalan, M16 sinf 8.8 → oldindan yuklanish ~50 kN)
• Press fits: kN yoki tonna-kuch birligida kuch
• Spring force: N yoki lbf, prujina qattiqligi N/mm yoki lbf/in birligida
• Gidravlik silindrlar: F = P × A (pressure × area), typically kN or tons
• Bearing loads: kN (dinamik va statik yuklanish reytinglari)
• Konstruktiv yuklamalar: kN — to'sinlar uchun, kip — AQSh konstruktiv po'lati uchun
• Lifting/rigging: Tonna (metrik tonna-kuch) yoki ton (qisqa tonna) bilan baholanadi

Nyutonning ikkinchi qonuni

Nyuton F = m × a formulasi orqali aniqlanadi:

• 1 N = 1 kg × 1 m/s² (force to accelerate 1 kg at 1 m/s²)
• 1 dyn = 1 g × 1 cm/s² (CGS equivalent)
• 1 pdl = 1 lb × 1 ft/s² (imperial absolute unit)
• Weight on Earth: W = m × g where g = 9.80665 m/s²

Tezkor aqliy hisob-kitoblar

• 1 kgk ≈ 10 N (aslida 9,807 N — 2% farq bilan)
• 1 lbf ≈ 4,5 N (aslida 4,448 N — 1% farq bilan)
• 1 kN ≈ 100 kgf ≈ 225 lbf
• 1 tonna-kuch ≈ 10 kN (aslida 9,807 kN)
• 1 kip ≈ 4.5 kN