## Standard Prefixes Used in the SI System of Units

mega M 106

kilo k 103

centi c 10~2

milli m 10~3

 B. Conversion Factors To Convert from USU To SIU Multiply by Reciprocal Length foot (ft) meter (m) 0.30480 3.2808 inch (in.) centimeter (cm) 2.5400 0.3937 Mass slug (lb-s2/ft) kilogram (kg) 14.594 0.068522 Force pound (lb) newton (N) 4.4482 0.22481 Density slug/ft3 kg/m3 515.38 0.0019403 Energy, Work, Moment (lb-ft) or (ft-lb) N-m = joule (J) 1.3558 0.73757 Power (ft-lb/s) N-m/s = watt (W) 1.3558 0.73757 Stress lb/in.2 or psi N/m2 (Pa) 6894.8 1.4504 X 10-4 Moment of Inertia (lb-ft-s2) kg-m2 1.3558 0.73756 (lb-in.-s2) kg-m2 0.11298 8.8507 Linear Momentum (slug-ft/s) kg-m/s 4.4482 0.22481 Moment of Momentum (slug-ft2/s) kg-m2/s 1.3558 0.73756

## Getting Started With Dumbbells

The use of dumbbells gives you a much more comprehensive strengthening effect because the workout engages your stabilizer muscles, in addition to the muscle you may be pin-pointing. Without all of the belts and artificial stabilizers of a machine, you also engage your core muscles, which are your body's natural stabilizers.

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