tailieunhanh - Ebook Mechanics of materials (6th edition): Part 1

(BQ) Part 1 book "Mechanics of materials" has contents: Introduction — Concept of stress, stress and strain — Axial loading, torsion, pure bending, analysis and design of beams for bending. | This page intentionally left blank Page 1 10/26/10 4:39:07 PM user-f499 /Volumes/201/MHDQ251/bee80288_disk1of1/0073380288/bee80288_pagefiles SI Prefixes Prefix† Multiplication Factor 12 1 000 000 000 1 000 000 1 000 1 000 5 10 000 5 109 000 5 106 000 5 103 100 5 102 10 5 101 5 1021 5 1022 5 1023 001 5 1026 000 001 5 1029 000 000 001 5 10212 000 000 000 001 5 10215 000 000 000 000 001 5 10218 Symbol tera giga mega kilo hecto‡ deka‡ deci‡ centi‡ milli micro nano pico femto atto T G M k h da d c m m n p f a † The first syllable of every prefix is accented so that the prefix will retain its identity. Thus, the preferred pronunciation of kilometer places the accent on the first syllable, not the second. ‡ The use of these prefixes should be avoided, except for the measurement of areas and volumes and for the nontechnical use of centimeter, as for body and clothing measurements. . Customary Units and Their SI Equivalents Quantity . Customary Units SI Equivalent Acceleration ft/s2 in./s2 ft2 in2 ft ? lb kip lb oz lb ? s ft in. mi oz mass lb mass slug ton lb ? ft lb ? in. m/s2 m/s2 m2 mm2 J kN N N N ? s m mm km g kg kg kg N ? m N ? m in4 lb ? ft ? s2 ft ? lb/s hp lb/ft2 lb/in2 (psi) ft/s in./s mi/h (mph) mi/h (mph) ft3 in3 gal qt ft ? lb 3 106 mm4 kg ? m2 W W Pa kPa m/s m/s m/s km/h m3 cm3 L L J Area Energy Force Impulse Length Mass Moment of a force Principal SI Units Used in Mechanics Quantity Unit Symbol Formula Acceleration Angle Angular acceleration Angular velocity Area Density Energy Force Frequency Impulse Length Mass Moment of a force Power Pressure Stress Time Velocity Volume, solids Liquids Work Meter per second squared Radian Radian per second squared Radian