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Callister - An introduction - 8th edition

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A2 • Appendix A / The International System of Units (SI)<br />

Table A.2<br />

Some of the SI Derived Units<br />

Special<br />

Quantity Name Formula Symbol<br />

Area square meter m 2 —<br />

Volume cubic meter m 3 —<br />

Velocity meter per second m/s —<br />

Density kilogram per cubic meter kg/m 3 —<br />

Concentration moles per cubic meter mol/m 3 —<br />

Force newton kg # m/s<br />

2<br />

N<br />

Energy joule kg # m J<br />

Stress pascal kg/m # /s 2 , N # m<br />

s 2 , N/m 2 Pa<br />

Strain — m/m —<br />

Power, radiant flux watt kg # m W<br />

Viscosity<br />

pascal-second<br />

kg/m # /s 3 , J/s<br />

s<br />

Pa # s<br />

Frequency (of a periodic hertz s 1 Hz<br />

phenomenon)<br />

Electric charge coulomb A # s<br />

C<br />

Electric potential volt kg # m V<br />

Capacitance farad s 2 # /s 2 # C<br />

C F<br />

Electric resistance ohm kg # /kg # m<br />

2<br />

m <br />

Magnetic flux weber kg # /s # C<br />

2<br />

m Wb<br />

Magnetic flux density tesla kg/s # /s # C<br />

C, Wb/m<br />

2<br />

(T) a<br />

a T is a special symbol approved for SI but not used in this text; here, the name tesla is<br />

used.<br />

Table A.3<br />

SI Multiple and Submultiple<br />

Prefixes<br />

Factor by Which<br />

Multiplied Prefix Symbol<br />

10 9 giga G<br />

10 6 mega M<br />

10 3 kilo k<br />

10 2 centi a c<br />

10 3 milli m<br />

10 6 micro <br />

10 9 nano n<br />

10 12 pico p<br />

a Avoided when possible.

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