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January18. SI unitsBasic units Unit / dimension Common multiple units Length m km, cm, mm, µm Mass kg g, mg, µg Time s ms, µs, ns Temperature K Derived units Defining equation Dimension Unit Force F = ma 2smkg⋅N Pressure AFP=2smkg⋅2mNPa=Work W = F x 22smkg⋅J = N⋅m Power tWW=&32smkg⋅sJW=Density Vm=ρ3mkg3mkgAE unitsgc(unit conversion factor): 220.1174.32sNmkgslbftlbgfmc⋅⋅=⋅⋅=(dimensionless)
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