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Kilograms of Mass vs. Kilograms of Force : Solving Math Problems
Kilograms of Mass vs. Kilograms of Force : Solving Math Problems
Published: 2013/01/14
Channel: eHowEducation
GRAVITATIONAL UNIT OF FORCE -   kg-f / kg-wt & g-f / g-wt
GRAVITATIONAL UNIT OF FORCE - kg-f / kg-wt & g-f / g-wt
Published: 2016/09/25
Channel: EDU MANTRA
Kilogram-force
Kilogram-force
Published: 2014/10/25
Channel: Audiopedia
Pound Force, Kilogram Force and Gravitational Constant - Applied Fluid Dynamics - Class 006
Pound Force, Kilogram Force and Gravitational Constant - Applied Fluid Dynamics - Class 006
Published: 2015/09/24
Channel: Chemical Engineering Guy
Kilogram-force per square centimetre
Kilogram-force per square centimetre
Published: 2015/10/09
Channel: Audiopedia
Convertir de Pascal a kgf/cm2
Convertir de Pascal a kgf/cm2
Published: 2016/09/27
Channel: iEnciclotareas
how to convert kg/cm2 to kilo pascal - pressure converter
how to convert kg/cm2 to kilo pascal - pressure converter
Published: 2015/02/02
Channel: Electrical videos
how to convert kg/cm2 to bar - pressure converter
how to convert kg/cm2 to bar - pressure converter
Published: 2015/02/02
Channel: Electrical videos
KGF to become a dumpyard of B
KGF to become a dumpyard of B'luru garbage? - NEWS9
Published: 2017/01/21
Channel: NEWS9
how to convert psi to kilogram per centimeter square kg/cm2 - pressure converter
how to convert psi to kilogram per centimeter square kg/cm2 - pressure converter
Published: 2015/02/08
Channel: Electrical videos
mayana kolai champion reefs   KGF 2017(4)
mayana kolai champion reefs KGF 2017(4)
Published: 2017/02/27
Channel: prasanna kumar
an air puck of mass 0.25kg is tied to a string
an air puck of mass 0.25kg is tied to a string
Published: 2016/02/14
Channel: WNY Tutor
KGF Market Traders and Merchants are in upset.
KGF Market Traders and Merchants are in upset.
Published: 2016/09/15
Channel: SJR Global
Kgf nagaraj karaga
Kgf nagaraj karaga
Published: 2017/03/17
Channel: rakesh prasad
how to convert kg/cm2 to kg/m2 - pressure converter
how to convert kg/cm2 to kg/m2 - pressure converter
Published: 2015/02/06
Channel: Electrical videos
test 1 750 kg force
test 1 750 kg force
Published: 2013/11/16
Channel: b4tack1000
KG FORCE - isla inocentes
KG FORCE - isla inocentes
Published: 2016/02/27
Channel: DON KG FORCE
KG FORCE - Valparaiso
KG FORCE - Valparaiso
Published: 2016/02/25
Channel: DON KG FORCE
KGF - Five Lights, Oorgaum, Robertsonpet, King George Hall - Jose Deleep
KGF - Five Lights, Oorgaum, Robertsonpet, King George Hall - Jose Deleep
Published: 2009/06/21
Channel: Jose Deleep S
How Do You Convert Newtons To Kilograms?
How Do You Convert Newtons To Kilograms?
Published: 2017/07/14
Channel: sparky SPARKS
KGF Second Look Reaction by APPU FAN !! | KGF Movie | Rocking Star Yash | Prashant Neel
KGF Second Look Reaction by APPU FAN !! | KGF Movie | Rocking Star Yash | Prashant Neel
Published: 2017/08/28
Channel: 1 Stop Fun
Bethany Assembly KGF. Youth for Christ.
Bethany Assembly KGF. Youth for Christ.
Published: 2017/01/02
Channel: sunil kumar Kumarsaran
how to convert bar to kilogram per meter square - pressure converter
how to convert bar to kilogram per meter square - pressure converter
Published: 2015/01/27
Channel: Electrical videos
off road ride on Cyanide Dumps in KGF.
off road ride on Cyanide Dumps in KGF.
Published: 2014/05/01
Channel: Jose Edwin
K G F Orchestra with DEVA sir
K G F Orchestra with DEVA sir
Published: 2016/12/29
Channel: aravindhan ajith
KGF Nation Intro
KGF Nation Intro
Published: 2017/09/10
Channel: KGF Nation
KG Force fumble
KG Force fumble
Published: 2009/02/10
Channel: Randall Gregory
Joshua jukes -30 k g force open, points finshed 3
Joshua jukes -30 k g force open, points finshed 3
Published: 2013/06/16
Channel: 01banger
Santu KGF
Santu KGF
Published: 2017/09/08
Channel: Santosh Yash
St Theresa’s Church ( KGF )
St Theresa’s Church ( KGF )
Published: 2017/04/24
Channel: iPhonekgf
Christmas 2016 - Celebrating Grandad
Christmas 2016 - Celebrating Grandad's Life - KGF
Published: 2017/01/07
Channel: peejaybydata
KGF
KGF
Published: 2015/07/10
Channel: Narasimhan k
High flying pigeon sfk kgf
High flying pigeon sfk kgf
Published: 2017/09/13
Channel: Faisal Khan
Pushpa Pallaku 2017 KGF shree lakshmi Venkateshwara swami temple
Pushpa Pallaku 2017 KGF shree lakshmi Venkateshwara swami temple
Published: 2017/03/17
Channel: HINDU DEVOTIONAL SONGS
Kgf mass boyss
Kgf mass boyss
Published: 2017/08/17
Channel: Santhosh Maria Louis
KGF breaking crackers
KGF breaking crackers
Published: 2016/11/12
Channel: suprith criss
K G F
K G F
Published: 2017/08/20
Channel: K G F in NVL king
Temple in k g f to vicky
Temple in k g f to vicky
Published: 2017/02/24
Channel: Vignesh Vickey
BJP Workers Protest Against Congress Govt. For Disposing Waste In KGF To Clean Bangalore
BJP Workers Protest Against Congress Govt. For Disposing Waste In KGF To Clean Bangalore
Published: 2017/01/30
Channel: Public TV | ಪಬ್ಲಿಕ್ ಟಿವಿ
Kgf rider 12345678
Kgf rider 12345678
Published: 2017/09/08
Channel: udhay Kgf rader
Kgf
Kgf
Published: 2017/08/14
Channel: Manju Manju Nvfryaik
KGF
KGF
Published: 2017/05/21
Channel: arc650
YOUTH DANCE 01/11/2016 KGF FAITH ASSEMBLY
YOUTH DANCE 01/11/2016 KGF FAITH ASSEMBLY
Published: 2016/11/01
Channel: chetan Kumar
GOLD GR - 98 kg: F. BALDAUF (NOR) df. A. HRABOVIK (BLR), 2-1
GOLD GR - 98 kg: F. BALDAUF (NOR) df. A. HRABOVIK (BLR), 2-1
Published: 2017/05/06
Channel: United World Wrestling
KGF Full move [KannadaMasti - Tippu
KGF Full move [KannadaMasti - Tippu
Published: 2017/09/13
Channel: Basavaraj Basu
ICL 21 2. nap | Csoportmeccsek | Wild vs KGF
ICL 21 2. nap | Csoportmeccsek | Wild vs KGF
Published: 2014/08/30
Channel: Magyar LoLTV
BRONZE FS - 50 kg: F. SHARIPOV (UZB) df. D. KARA (TUR) by VPO1, 9-4
BRONZE FS - 50 kg: F. SHARIPOV (UZB) df. D. KARA (TUR) by VPO1, 9-4
Published: 2017/09/09
Channel: United World Wrestling
K  G  F
K G F
Published: 2017/09/04
Channel: Elakkiya R
kgf
kgf
Published: 2017/06/26
Channel: Srinivasa Sri
Kgf
Kgf
Published: 2017/05/06
Channel: Chitteswamy Mathapati
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Kilogram-force
Unit system Gravitational metric system
Unit of Force
Symbol kgf 
Unit conversions
1 kgf in ... ... is equal to ...
   SI units    9.806650 N
   CGS units    980,665.0 dyn
   British Gravitational units    2.204623 lbf
   Absolute English units    70.93164 pdl

The kilogram-force (kgf or kgF), or kilopond (kp, from Latin pondus meaning weight), is a gravitational metric unit of force. It is equal to the magnitude of the force exerted by one kilogram of mass in a 9.80665 m/s2 gravitational field (standard gravity, a conventional value approximating the average magnitude of gravity on Earth).[1] Therefore, one kilogram-force is by definition equal to 9.80665 N.[2][3] Similarly, a gram-force is 9.80665 mN, and a milligram-force is 9.80665 µN. One kilogram-force is approximately 2.204622 pound-force.

Kilogram-force is a non-standard unit and does not comply with the SI Metric System.

History[edit]

The gram-force and kilogram-force were never well-defined units until the CGPM adopted a standard acceleration of gravity of 980.665 cm/s2 for this purpose in 1901, though they had been used in low-precision measurements of force before that time. The kilogram-force has never been a part of the International System of Units (SI), which was introduced in 1960. The SI unit of force is the newton.

Prior to this, the unit was widely used in much of the world and it is still in use for some purposes. The thrust of a rocket engine, for example, was measured in kilograms-force in 1940s Germany, in the Soviet Union (where it remained the primary unit for thrust in the Russian space program until at least the late 1980s), and it is still used today in China and sometimes by the European Space Agency.

The term "kilopond" has been declared obsolete[4] and should no longer be used.

It is also used for tension of bicycle spokes,[5] for informal references to pressure in kilograms per square centimeter (1 kp/cm2) which is the technical atmosphere (at) and very close to 1 bar and the standard atmosphere (atm), for the draw weight of bows in archery, and to define the "metric horsepower" (PS) as 75 metre-kiloponds per second.[2] In addition, kilograms force is the standard unit used for Vickers hardness testing.

Three approaches to metric units of mass and force or weight
Base units Force, length, time Weight, length, time Mass, length, time
2nd Law of Motion m = F/a F = wa/gc F = ma
System GM M CGS MTS SI
Acceleration (a) m/s2 m/s2 Gal m/s2 m/s2
Mass (m) hyl kg g t kg
Force (F),
Weight (w)
kp dyn sn N
Pressure (p) at atm Ba pz Pa

Related units[edit]

The tonne-force, metric ton-force, megagram-force, and megapond (Mp) are each 1000 kilograms-force.

The decanewton or dekanewton (daN) is used in some fields as an approximation to the kilogram-force, being exactly rather than approximately 10 newtons.

Units of force
newton
(SI unit)
dyne kilogram-force,
kilopond
pound-force poundal
1 N ≡ 1 kg⋅m/s2 = 105 dyn ≈ 0.10197 kp ≈ 0.22481 lbf ≈ 7.2330 pdl
1 dyn = 10−5 N ≡ 1 g⋅cm/s2 ≈ 1.0197 × 10−6 kp ≈ 2.2481 × 10−6 lbf ≈ 7.2330 × 10−5 pdl
1 kp = 9.80665 N = 980665 dyn gn⋅(1 kg) ≈ 2.2046 lbf ≈ 70.932 pdl
1 lbf ≈ 4.448222 N ≈ 444822 dyn ≈ 0.45359 kp gn⋅(1 lb) ≈ 32.174 pdl
1 pdl ≈ 0.138255 N ≈ 13825 dyn ≈ 0.014098 kp ≈ 0.031081 lbf ≡ 1 lb⋅ft/s2
The value of gn as used in the official definition of the kilogram-force is used here for all gravitational units.

See also[edit]

References[edit]

  1. ^ The international system of units (SI)United States Department of Commerce, NIST Special Publication 330, 2008, p. 52
  2. ^ a b NIST Guide for the Use of the International System of Units (SI) Special Publication 811, (1995) page 51
  3. ^ BIPM SI brochure, chapter 2.2.2.
  4. ^ European Economic Community, Council Directive of 18 October 1971 on the approximation of the laws of the Member States relating to units of measurement (Directive 71/354/EEC), Annex, Chapter III.
  5. ^ Park Tool. "Balancing wheel tension with the TM-1 Spoke Tension Meter". Cyclingnews. Retrieved 2013-09-03. The recommended tension for spokes in bicycle wheels can be as low as 80 Kilograms force (Kfg) and as high as 230 Kilograms force. 

External links[edit]

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