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Á¢µÎ¾î, Èñ¶ø¹®ÀÚ ¹× ´ÜÀ§ºñ±³ |
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°øÇбâ¼ú´ÜÀ§¡¤±Ô°Ý > ´ÜÀ§ ȯ»êÇ¥ |
ÀÛ¼ºÀÏ |
2006.06.01 |
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ÀÛ¼ºÀÚ |
admin |
´Ù¿î·Îµå |
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Å°¿öµå |
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¡á Á¢µÎ¾î, Èñ¶ø¹®ÀÚ ¹× ´ÜÀ§ºñ±³
¡Ü SI ¿Í English Unit ´ÜÀ§ÀÇ ºñ±³
No
|
Ç× ¸ñ
|
SI Unit
|
English Unit¡Ø
(symbol)
|
Unit
|
Symbol
|
1
|
Mass |
kilogram |
kg
|
lbf-sec©÷/in
|
2
|
Length |
meter |
m
|
in.
|
3
|
Time |
second |
s
|
sec
|
4
|
Force |
Newton=kg¡¤m/s©÷ |
N
|
lbf
|
5
|
Stress or pressure or elastic modulus |
Pascal = N/m©÷ |
Pa
|
lbf/in©÷=psi
|
6
|
Moment of a force |
Newton meter=kg¡¤m©÷/s©÷ |
N¡¤m
|
in.-lbf
|
7
|
Work or energy |
Joule = N¡¤m |
J
|
in.-lbf
|
8
|
Power |
Watt = J/s |
W
|
in.-lbf/sec
|
9
|
Frequency |
Hertz = 1/s |
Hz
|
Hz
|
10
|
Mass density |
kilogram per cubic meter |
kg/m©ø
|
lbf-sec©÷/in©ù
|
11
|
Velocity or speed |
meter per second |
m/s
|
in./sec
|
12
|
Acceleration |
meter per second squared |
m/s©÷
|
in./sec©÷
|
13
|
Angular displacement or plane angle |
radian |
rad
|
rad
|
14
|
Angular velocity |
radian per second |
rad/s
|
rad/sec
|
15
|
Angular acceleration |
radian per second squared |
rad/s©÷
|
rad/sec©÷
|
16
|
Area moment of inertia |
(meter)©ù |
m©ù
|
in©ù
|
17
|
Mass moment of inertia |
kilogram meter squared |
kg¡¤m©÷
|
in.-lbf-sec©÷
|
18
|
Stiffness coefficient : |
Rectilinear (translational) |
Newton per meter |
N/m
|
lbf/in.
|
Rotational(torsional) |
Newton meter per radian |
N¡¤m/rad
|
lbf-in./rad
|
19
|
Damping coefficient : |
Rectilinear (translational) |
Newton second per meter |
N¡¤s/m
|
lbf-sec/in.
|
Rotational (torsional) |
Newton meter second per radian |
N¡¤m¡¤s/rad
|
lbf-in.-sec/rad
|
20
|
Mass : |
Rectilinear (translational) |
kilogram |
kg
|
lbf-sec©÷/in.
|
Rotational (torsional) |
kilogram meter squared |
kg¡¤m©÷
|
lbf-sec©÷/in.
|
¡Ø ft(foot) can be interchanged with in.(inch) | |
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