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unitFrom Wikipedia, the free encyclopedia
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s2 when a force of one pound (lbF) is exerted on it.
One slug has a mass of 32.174049 lbm or 14.593903 kg based on standard gravity, the international foot, and the avoirdupois pound.[1] At the surface of the Earth, an object with a mass of 1 slug exerts a force of approximately 32.2 lbF or 143 N.[2][3]
Contents [hide]
1 History 2 Similar units 3 References 4 External links
History[edit]
The slug is part of a subset of units known as the gravitational FPS system, one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. Geepound was another name for this unit in early literature.[4]
The name "slug" was coined before 1900 by British physicist Arthur Mason Worthington,[5] but it did not see any significant use until decades later. A 1928 textbook says:
No name has yet been given to the unit of mass and, in fact, as we have developed the theory of dynamics no name is necessary. Whenever the mass, m, appears in our formulae, we substitute the ratio of the convenient force-acceleration pair (w/g), and measure the mass in lbs. per ft./sec.2 or in grams per cm./sec.2.
—Noel Charlton Little, College Physics, Charles Scribner's Sons, 1928, p. 165.
Three approaches to mass and force units[6][7]
V T E
Base
force, length, time weight, length, time mass, length, time
Force (F) F = m⋅a = w⋅a/g F = m⋅a/gc = w⋅a/g F = m⋅a = w⋅a/gWeight (w) w = m⋅g w = m⋅g/gc ≈ m w = m⋅g
System BG GM EE M AE CGS MTS SI
Acceleration (a) ft/s2 m/s2 ft/s2 m/s2 ft/s2 Gal m/s2 m/s2
Mass (m) slug hyl lbm kg lb g t kg
Force (F) lb kp lbF kp pdl dyn sn N
Pressure (p) lb/in 2 at PSI atm pdl/ft2 Ba pz Pa
The slug is listed in the Regulations under the Weights and Measures (National Standards) Act, 1960. This regulation defines the units of weights and measures, both regular and metric, in Australia.
Similar units[edit]
The blob is the inch version of the slug (1 blob = 1 lbf·s2/in = 12 slugs)[1] or equivalent to 175.126 kg. This unit is also called slinch (a portmanteau of the words slug and inch).[8][9]Similar terms include slugette,[10] and a snail.[11]
Similar metric units include the "glug" in the centimetre-gram-second system, and the "mug", "par", or "MTE" in the metre-kilogram-second system.[12]
References[edit]
1. ^ Jump up to:a b Shigley, Joseph E. and Mischke, Charles R. Mechanical Engineering Design, Sixth ed, pp. 31–33. McGraw Hill, 2001. ISBN 0-07-365939-8.
2. Jump up^ Beckwith, Thomas G., Roy D. Marangoni, et al. Mechanical Measurements, Fifth ed, pp. 34-36. Addison-Wesley Publishing, 1993. ISBN 0-201-56947-7.
3. Jump up^ Shevell, R.S. Fundamentals of Flight, Second ed, p. xix. Prentice-Hall, 1989.
4. Jump up^ [1]. unit2unit.eu5. Jump up^ Worthington, Arthur Mason (1900). Dynamics of Rotation:
An Elementary Introduction to Rigid Dynamics (3rd ed.). Longmans, Green, and Co. p. 9.
6. Jump up^ Michael R. Lindeburg (2011). Civil Engineering Reference Manual for the Pe Exam. Professional Publications. ISBN 1591263417.
7. Jump up^ Wurbs, Ralph A, Fort Hood Review Sessions for Professional Engineering Exam (PDF), retrieved October 26, 2011
8. Jump up^ Slug. DiracDelta Science & Engineering Encyclopedia9. Jump up^ "1 blob". Wolfram Alpha Computational Knowledge Engine.
Retrieved 27 October 2011.10. Jump up^ Celmer, Robert. Notes to Accompany Vibrations II. Version
2.2. 2009.11. Jump up^ [2]12. Jump up^ Cardarelli, François (1999). Scientific Units, Weights and
Measures. Springer. pp. 358, 377. ISBN 1-85233-682-X.
External links[edit]
"What is a Slug?" on phy-astr.gsu.edu Categories:
Imperial units Units of mass
Navigation menu
Create account
Log in
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Read Edit View history
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Text is available under the Creative Commons Attribution-ShareAlike License; additional
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Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit
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(mass)From Wikipedia, the free encyclopedia
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s2 when a force of one pound (lbF) is exerted on it.
One slug has a mass of 32.174049 lbm or 14.593903 kg based on standard gravity, the international foot, and the avoirdupois pound.[1] At the surface of the Earth, an object with a mass of 1 slug exerts a force of approximately 32.2 lbF or 143 N.[2][3]
Contents [hide]
1 History 2 Similar units 3 References 4 External links
History[edit]
The slug is part of a subset of units known as the gravitational FPS system, one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. Geepound was another name for this unit in early literature.[4]
The name "slug" was coined before 1900 by British physicist Arthur Mason Worthington,[5] but it did not see any significant use until decades later. A 1928 textbook says:
No name has yet been given to the unit of mass and, in fact, as we have developed the theory of dynamics no name is necessary. Whenever the mass, m, appears in our formulae, we substitute the ratio of the convenient force-acceleration pair (w/g), and measure the mass in lbs. per ft./sec.2 or in grams per cm./sec.2.
—Noel Charlton Little, College Physics, Charles Scribner's Sons, 1928, p. 165.
Three approaches to mass and force units[6][7]
V T E
Base
force, length, time weight, length, time mass, length, time
Force (F) F = m⋅a = w⋅a/g F = m⋅a/gc = w⋅a/g F = m⋅a = w⋅a/gWeight (w) w = m⋅g w = m⋅g/gc ≈ m w = m⋅g
System BG GM EE M AE CGS MTS SI
Acceleration (a) ft/s2 m/s2 ft/s2 m/s2 ft/s2 Gal m/s2 m/s2
Mass (m) slug hyl lbm kg lb g t kg
Force (F) lb kp lbF kp pdl dyn sn N
Pressure (p) lb/in 2 at PSI atm pdl/ft2 Ba pz Pa
The slug is listed in the Regulations under the Weights and Measures (National Standards) Act, 1960. This regulation defines the units of weights and measures, both regular and metric, in Australia.
Similar units[edit]
The blob is the inch version of the slug (1 blob = 1 lbf·s2/in = 12 slugs)[1] or equivalent to 175.126 kg. This unit is also called slinch (a portmanteau of the words slug and inch).[8][9]Similar terms include slugette,[10] and a snail.[11]
Similar metric units include the "glug" in the centimetre-gram-second system, and the "mug", "par", or "MTE" in the metre-kilogram-second system.[12]
References[edit]
13. ^ Jump up to:a b Shigley, Joseph E. and Mischke, Charles R. Mechanical Engineering Design, Sixth ed, pp. 31–33. McGraw Hill, 2001. ISBN 0-07-365939-8.
14. Jump up^ Beckwith, Thomas G., Roy D. Marangoni, et al. Mechanical Measurements, Fifth ed, pp. 34-36. Addison-Wesley Publishing, 1993. ISBN 0-201-56947-7.
15. Jump up^ Shevell, R.S. Fundamentals of Flight, Second ed, p. xix. Prentice-Hall, 1989.
16. Jump up^ [1]. unit2unit.eu
17. Jump up^ Worthington, Arthur Mason (1900). Dynamics of Rotation: An Elementary Introduction to Rigid Dynamics (3rd ed.). Longmans, Green, and Co. p. 9.
18. Jump up^ Michael R. Lindeburg (2011). Civil Engineering Reference Manual for the Pe Exam. Professional Publications. ISBN 1591263417.
19. Jump up^ Wurbs, Ralph A, Fort Hood Review Sessions for Professional Engineering Exam (PDF), retrieved October 26, 2011
20. Jump up^ Slug. DiracDelta Science & Engineering Encyclopedia21. Jump up^ "1 blob". Wolfram Alpha Computational Knowledge Engine.
Retrieved 27 October 2011.22. Jump up^ Celmer, Robert. Notes to Accompany Vibrations II. Version
2.2. 2009.23. Jump up^ [2]24. Jump up^ Cardarelli, François (1999). Scientific Units, Weights and
Measures. Springer. pp. 358, 377. ISBN 1-85233-682-X.
External links[edit]
"What is a Slug?" on phy-astr.gsu.edu Categories:
Imperial units Units of mass
Navigation menu Create account
Log in
Article Talk
Read Edit View history
Main page Contents Featured content Current events Random article Donate to Wikipedia Wikipedia store Interaction Help About Wikipedia Community portal Recent changes Contact page
Tools What links here
Go
Related changes Upload file Special pages Permanent link Page information Wikidata item Cite this page
Print/export Create a book Download as PDF Printable version
Languages Català Español فارسی Français 한국어 Nederlands 日本語 Piemontèis Português 中文
Edit links
This page was last modified on 10 August 2015, at 07:48.
Text is available under the Creative Commons Attribution-ShareAlike License; additional
terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit
organization.
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(mass)
From Wikipedia, the free encyclopedia
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s2 when a force of one pound (lbF) is exerted on it.
One slug has a mass of 32.174049 lbm or 14.593903 kg based on standard gravity, the international foot, and the avoirdupois pound.[1] At the surface of the Earth, an object with a mass of 1 slug exerts a force of approximately 32.2 lbF or 143 N.[2][3]
Contents [hide]
1 History 2 Similar units 3 References 4 External links
History[edit]
The slug is part of a subset of units known as the gravitational FPS system, one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. Geepound was another name for this unit in early literature.[4]
The name "slug" was coined before 1900 by British physicist Arthur Mason Worthington,[5] but it did not see any significant use until decades later. A 1928 textbook says:
No name has yet been given to the unit of mass and, in fact, as we have developed the theory of dynamics no name is necessary. Whenever the mass, m, appears in our formulae, we substitute the ratio of the convenient force-acceleration pair (w/g), and measure the mass in lbs. per ft./sec.2 or in grams per cm./sec.2.
—Noel Charlton Little, College Physics, Charles Scribner's Sons, 1928, p. 165.
Three approaches to mass and force units[6][7]
V T E
Base
force, length, time weight, length, time mass, length, time
Force (F) F = m⋅a = w⋅a/g F = m⋅a/gc = w⋅a/g F = m⋅a = w⋅a/gWeight (w) w = m⋅g w = m⋅g/gc ≈ m w = m⋅g
System BG GM EE M AE CGS MTS SI
Acceleration (a) ft/s2 m/s2 ft/s2 m/s2 ft/s2 Gal m/s2 m/s2
Mass (m) slug hyl lbm kg lb g t kg
Force (F) lb kp lbF kp pdl dyn sn N
Pressure (p) lb/in 2 at PSI atm pdl/ft2 Ba pz Pa
The slug is listed in the Regulations under the Weights and Measures (National Standards) Act, 1960. This regulation defines the units of weights and measures, both regular and metric, in Australia.
Similar units[edit]
The blob is the inch version of the slug (1 blob = 1 lbf·s2/in = 12 slugs)[1] or equivalent to 175.126 kg. This unit is also called slinch (a portmanteau of the words slug and inch).[8][9]Similar terms include slugette,[10] and a snail.[11]
Similar metric units include the "glug" in the centimetre-gram-second system, and the "mug", "par", or "MTE" in the metre-kilogram-second system.[12]
References[edit]
25. ^ Jump up to:a b Shigley, Joseph E. and Mischke, Charles R. Mechanical Engineering Design, Sixth ed, pp. 31–33. McGraw Hill, 2001. ISBN 0-07-365939-8.
26. Jump up^ Beckwith, Thomas G., Roy D. Marangoni, et al. Mechanical Measurements, Fifth ed, pp. 34-36. Addison-Wesley Publishing, 1993. ISBN 0-201-56947-7.
27. Jump up^ Shevell, R.S. Fundamentals of Flight, Second ed, p. xix. Prentice-Hall, 1989.
28. Jump up^ [1]. unit2unit.eu29. Jump up^ Worthington, Arthur Mason (1900). Dynamics of Rotation:
An Elementary Introduction to Rigid Dynamics (3rd ed.). Longmans, Green, and Co. p. 9.
30. Jump up^ Michael R. Lindeburg (2011). Civil Engineering Reference Manual for the Pe Exam. Professional Publications. ISBN 1591263417.
31. Jump up^ Wurbs, Ralph A, Fort Hood Review Sessions for Professional Engineering Exam (PDF), retrieved October 26, 2011
32. Jump up^ Slug. DiracDelta Science & Engineering Encyclopedia33. Jump up^ "1 blob". Wolfram Alpha Computational Knowledge Engine.
Retrieved 27 October 2011.34. Jump up^ Celmer, Robert. Notes to Accompany Vibrations II. Version
2.2. 2009.35. Jump up^ [2]36. Jump up^ Cardarelli, François (1999). Scientific Units, Weights and
Measures. Springer. pp. 358, 377. ISBN 1-85233-682-X.
External links[edit]
"What is a Slug?" on phy-astr.gsu.edu Categories:
Imperial units Units of mass
Navigation menu Create account
Log in
Article Talk
Read Edit View history
Main page Contents Featured content Current events Random article Donate to Wikipedia Wikipedia store Interaction Help About Wikipedia Community portal Recent changes Contact page
Tools What links here Related changes Upload file Special pages Permanent link Page information Wikidata item Cite this page
Print/export Create a book Download as PDF Printable version
Languages Català Español فارسی Français 한국어 Nederlands 日本語 Piemontèis Português 中文
Edit links
This page was last modified on 10 August 2015, at 07:48.
Go
Text is available under the Creative Commons Attribution-ShareAlike License; additional
terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit
organization.
Privacy policy
About Wikipedia
Disclaimers
Contact Wikipedia
Developers
Mobile view
(mass)From Wikipedia, the free encyclopedia
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s2 when a force of one pound (lbF) is exerted on it.
One slug has a mass of 32.174049 lbm or 14.593903 kg based on standard gravity, the international foot, and the avoirdupois pound.[1] At the surface of the Earth, an object with a mass of 1 slug exerts a force of approximately 32.2 lbF or 143 N.[2][3]
Contents [hide]
1 History 2 Similar units 3 References 4 External links
History[edit]
The slug is part of a subset of units known as the gravitational FPS system, one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. Geepound was another name for this unit in early literature.[4]
The name "slug" was coined before 1900 by British physicist Arthur Mason Worthington,[5] but it did not see any significant use until decades later. A 1928 textbook says:
No name has yet been given to the unit of mass and, in fact, as we have developed the theory of dynamics no name is necessary. Whenever the mass, m, appears in our formulae, we substitute the ratio of the convenient force-acceleration pair (w/g), and measure the mass in lbs. per ft./sec.2 or in grams per cm./sec.2.
—Noel Charlton Little, College Physics, Charles Scribner's Sons, 1928, p. 165.
Three approaches to mass and force units[6][7]
V T E
Base
force, length, time weight, length, time mass, length, time
Force (F) F = m⋅a = w⋅a/g F = m⋅a/gc = w⋅a/g F = m⋅a = w⋅a/gWeight (w) w = m⋅g w = m⋅g/gc ≈ m w = m⋅g
System BG GM EE M AE CGS MTS SI
Acceleration (a) ft/s2 m/s2 ft/s2 m/s2 ft/s2 Gal m/s2 m/s2
Mass (m) slug hyl lbm kg lb g t kg
Force (F) lb kp lbF kp pdl dyn sn N
Pressure (p) lb/in 2 at PSI atm pdl/ft2 Ba pz Pa
The slug is listed in the Regulations under the Weights and Measures (National Standards) Act, 1960. This regulation defines the units of weights and measures, both regular and metric, in Australia.
Similar units[edit]
The blob is the inch version of the slug (1 blob = 1 lbf·s2/in = 12 slugs)[1] or equivalent to 175.126 kg. This unit is also called slinch (a portmanteau of the words slug and inch).[8][9]Similar terms include slugette,[10] and a snail.[11]
Similar metric units include the "glug" in the centimetre-gram-second system, and the "mug", "par", or "MTE" in the metre-kilogram-second system.[12]
References[edit]
37. ^ Jump up to:a b Shigley, Joseph E. and Mischke, Charles R. Mechanical Engineering Design, Sixth ed, pp. 31–33. McGraw Hill, 2001. ISBN 0-07-365939-8.
38. Jump up^ Beckwith, Thomas G., Roy D. Marangoni, et al. Mechanical Measurements, Fifth ed, pp. 34-36. Addison-Wesley Publishing, 1993. ISBN 0-201-56947-7.
39. Jump up^ Shevell, R.S. Fundamentals of Flight, Second ed, p. xix. Prentice-Hall, 1989.
40. Jump up^ [1]. unit2unit.eu
41. Jump up^ Worthington, Arthur Mason (1900). Dynamics of Rotation: An Elementary Introduction to Rigid Dynamics (3rd ed.). Longmans, Green, and Co. p. 9.
42. Jump up^ Michael R. Lindeburg (2011). Civil Engineering Reference Manual for the Pe Exam. Professional Publications. ISBN 1591263417.
43. Jump up^ Wurbs, Ralph A, Fort Hood Review Sessions for Professional Engineering Exam (PDF), retrieved October 26, 2011
44. Jump up^ Slug. DiracDelta Science & Engineering Encyclopedia45. Jump up^ "1 blob". Wolfram Alpha Computational Knowledge Engine.
Retrieved 27 October 2011.46. Jump up^ Celmer, Robert. Notes to Accompany Vibrations II. Version
2.2. 2009.47. Jump up^ [2]48. Jump up^ Cardarelli, François (1999). Scientific Units, Weights and
Measures. Springer. pp. 358, 377. ISBN 1-85233-682-X.
External links[edit]
"What is a Slug?" on phy-astr.gsu.edu Categories:
Imperial units Units of mass
Navigation menu Create account
Log in
Article Talk
Read Edit View history
Main page Contents Featured content Current events Random article Donate to Wikipedia Wikipedia store Interaction Help About Wikipedia Community portal Recent changes Contact page
Tools What links here
Go
Related changes Upload file Special pages Permanent link Page information Wikidata item Cite this page
Print/export Create a book Download as PDF Printable version
Languages Català Español فارسی Français 한국어 Nederlands 日本語 Piemontèis Português 中文
Edit links
This page was last modified on 10 August 2015, at 07:48.
Text is available under the Creative Commons Attribution-ShareAlike License; additional
terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit
organization.
Privacy policy
About Wikipedia
Disclaimers
Contact Wikipedia
Developers
Mobile view
(mass)
From Wikipedia, the free encyclopedia
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s2 when a force of one pound (lbF) is exerted on it.
One slug has a mass of 32.174049 lbm or 14.593903 kg based on standard gravity, the international foot, and the avoirdupois pound.[1] At the surface of the Earth, an object with a mass of 1 slug exerts a force of approximately 32.2 lbF or 143 N.[2][3]
Contents [hide]
1 History 2 Similar units 3 References 4 External links
History[edit]
The slug is part of a subset of units known as the gravitational FPS system, one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. Geepound was another name for this unit in early literature.[4]
The name "slug" was coined before 1900 by British physicist Arthur Mason Worthington,[5] but it did not see any significant use until decades later. A 1928 textbook says:
No name has yet been given to the unit of mass and, in fact, as we have developed the theory of dynamics no name is necessary. Whenever the mass, m, appears in our formulae, we substitute the ratio of the convenient force-acceleration pair (w/g), and measure the mass in lbs. per ft./sec.2 or in grams per cm./sec.2.
—Noel Charlton Little, College Physics, Charles Scribner's Sons, 1928, p. 165.
Three approaches to mass and force units[6][7]
V T E
Base
force, length, time weight, length, time mass, length, time
Force (F) F = m⋅a = w⋅a/g F = m⋅a/gc = w⋅a/g F = m⋅a = w⋅a/gWeight (w) w = m⋅g w = m⋅g/gc ≈ m w = m⋅g
System BG GM EE M AE CGS MTS SI
Acceleration (a) ft/s2 m/s2 ft/s2 m/s2 ft/s2 Gal m/s2 m/s2
Mass (m) slug hyl lbm kg lb g t kg
Force (F) lb kp lbF kp pdl dyn sn N
Pressure (p) lb/in 2 at PSI atm pdl/ft2 Ba pz Pa
The slug is listed in the Regulations under the Weights and Measures (National Standards) Act, 1960. This regulation defines the units of weights and measures, both regular and metric, in Australia.
Similar units[edit]
The blob is the inch version of the slug (1 blob = 1 lbf·s2/in = 12 slugs)[1] or equivalent to 175.126 kg. This unit is also called slinch (a portmanteau of the words slug and inch).[8][9]Similar terms include slugette,[10] and a snail.[11]
Similar metric units include the "glug" in the centimetre-gram-second system, and the "mug", "par", or "MTE" in the metre-kilogram-second system.[12]
References[edit]
49. ^ Jump up to:a b Shigley, Joseph E. and Mischke, Charles R. Mechanical Engineering Design, Sixth ed, pp. 31–33. McGraw Hill, 2001. ISBN 0-07-365939-8.
50. Jump up^ Beckwith, Thomas G., Roy D. Marangoni, et al. Mechanical Measurements, Fifth ed, pp. 34-36. Addison-Wesley Publishing, 1993. ISBN 0-201-56947-7.
51. Jump up^ Shevell, R.S. Fundamentals of Flight, Second ed, p. xix. Prentice-Hall, 1989.
52. Jump up^ [1]. unit2unit.eu53. Jump up^ Worthington, Arthur Mason (1900). Dynamics of Rotation:
An Elementary Introduction to Rigid Dynamics (3rd ed.). Longmans, Green, and Co. p. 9.
54. Jump up^ Michael R. Lindeburg (2011). Civil Engineering Reference Manual for the Pe Exam. Professional Publications. ISBN 1591263417.
55. Jump up^ Wurbs, Ralph A, Fort Hood Review Sessions for Professional Engineering Exam (PDF), retrieved October 26, 2011
56. Jump up^ Slug. DiracDelta Science & Engineering Encyclopedia57. Jump up^ "1 blob". Wolfram Alpha Computational Knowledge Engine.
Retrieved 27 October 2011.58. Jump up^ Celmer, Robert. Notes to Accompany Vibrations II. Version
2.2. 2009.59. Jump up^ [2]60. Jump up^ Cardarelli, François (1999). Scientific Units, Weights and
Measures. Springer. pp. 358, 377. ISBN 1-85233-682-X.
External links[edit]
"What is a Slug?" on phy-astr.gsu.edu Categories:
Imperial units Units of mass
Navigation menu Create account
Log in
Article Talk
Read Edit View history
Main page Contents Featured content Current events Random article Donate to Wikipedia Wikipedia store Interaction Help About Wikipedia Community portal Recent changes Contact page
Tools What links here Related changes Upload file Special pages Permanent link Page information Wikidata item Cite this page
Print/export Create a book Download as PDF Printable version
Languages Català Español فارسی Français 한국어 Nederlands 日本語 Piemontèis Português 中文
Edit links
This page was last modified on 10 August 2015, at 07:48.
Go
Text is available under the Creative Commons Attribution-ShareAlike License; additional
terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit
organization.
Privacy policy
About Wikipedia
Disclaimers
Contact Wikipedia
Developers
Mobile view
(mass)From Wikipedia, the free encyclopedia
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s2 when a force of one pound (lbF) is exerted on it.
One slug has a mass of 32.174049 lbm or 14.593903 kg based on standard gravity, the international foot, and the avoirdupois pound.[1] At the surface of the Earth, an object with a mass of 1 slug exerts a force of approximately 32.2 lbF or 143 N.[2][3]
Contents [hide]
1 History 2 Similar units 3 References 4 External links
History[edit]
The slug is part of a subset of units known as the gravitational FPS system, one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. Geepound was another name for this unit in early literature.[4]
The name "slug" was coined before 1900 by British physicist Arthur Mason Worthington,[5] but it did not see any significant use until decades later. A 1928 textbook says:
No name has yet been given to the unit of mass and, in fact, as we have developed the theory of dynamics no name is necessary. Whenever the mass, m, appears in our formulae, we substitute the ratio of the convenient force-acceleration pair (w/g), and measure the mass in lbs. per ft./sec.2 or in grams per cm./sec.2.
—Noel Charlton Little, College Physics, Charles Scribner's Sons, 1928, p. 165.
Three approaches to mass and force units[6][7]
V T E
Base
force, length, time weight, length, time mass, length, time
Force (F) F = m⋅a = w⋅a/g F = m⋅a/gc = w⋅a/g F = m⋅a = w⋅a/gWeight (w) w = m⋅g w = m⋅g/gc ≈ m w = m⋅g
System BG GM EE M AE CGS MTS SI
Acceleration (a) ft/s2 m/s2 ft/s2 m/s2 ft/s2 Gal m/s2 m/s2
Mass (m) slug hyl lbm kg lb g t kg
Force (F) lb kp lbF kp pdl dyn sn N
Pressure (p) lb/in 2 at PSI atm pdl/ft2 Ba pz Pa
The slug is listed in the Regulations under the Weights and Measures (National Standards) Act, 1960. This regulation defines the units of weights and measures, both regular and metric, in Australia.
Similar units[edit]
The blob is the inch version of the slug (1 blob = 1 lbf·s2/in = 12 slugs)[1] or equivalent to 175.126 kg. This unit is also called slinch (a portmanteau of the words slug and inch).[8][9]Similar terms include slugette,[10] and a snail.[11]
Similar metric units include the "glug" in the centimetre-gram-second system, and the "mug", "par", or "MTE" in the metre-kilogram-second system.[12]
References[edit]
61. ^ Jump up to:a b Shigley, Joseph E. and Mischke, Charles R. Mechanical Engineering Design, Sixth ed, pp. 31–33. McGraw Hill, 2001. ISBN 0-07-365939-8.
62. Jump up^ Beckwith, Thomas G., Roy D. Marangoni, et al. Mechanical Measurements, Fifth ed, pp. 34-36. Addison-Wesley Publishing, 1993. ISBN 0-201-56947-7.
63. Jump up^ Shevell, R.S. Fundamentals of Flight, Second ed, p. xix. Prentice-Hall, 1989.
64. Jump up^ [1]. unit2unit.eu
65. Jump up^ Worthington, Arthur Mason (1900). Dynamics of Rotation: An Elementary Introduction to Rigid Dynamics (3rd ed.). Longmans, Green, and Co. p. 9.
66. Jump up^ Michael R. Lindeburg (2011). Civil Engineering Reference Manual for the Pe Exam. Professional Publications. ISBN 1591263417.
67. Jump up^ Wurbs, Ralph A, Fort Hood Review Sessions for Professional Engineering Exam (PDF), retrieved October 26, 2011
68. Jump up^ Slug. DiracDelta Science & Engineering Encyclopedia69. Jump up^ "1 blob". Wolfram Alpha Computational Knowledge Engine.
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External links[edit]
"What is a Slug?" on phy-astr.gsu.edu Categories:
Imperial units Units of mass
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