Introduktion till mekaniken - rejbrand.se
Introduktion till mekaniken - rejbrand.se
Introduktion till mekaniken - rejbrand.se
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<strong>Introduktion</strong> <strong>till</strong> <strong>mekaniken</strong><br />
Innehållsförteckning<br />
INTRODUKTION TILL MEKANIKEN ............................................................................................................ 1<br />
INNEHÅLLSFÖRTECKNING ................................................................................................................................... 2<br />
INLEDNING .......................................................................................................................................................... 3<br />
FYSIK .................................................................................................................................................................. 4<br />
PREFIX ................................................................................................................................................................ 5<br />
DIVERSE MATEMATISKA TECKEN ........................................................................................................................ 5<br />
VAD ÄR RÖRELSE? .............................................................................................................................................. 6<br />
RÄTLINJIG RÖRELSE ............................................................................................................................................ 7<br />
Hastighet ....................................................................................................................................................... 7<br />
Acceleration ................................................................................................................................................... 9<br />
VEKTORER ........................................................................................................................................................ 11<br />
Den motsatta vektorn ................................................................................................................................... 11<br />
Addition och subtraktion ............................................................................................................................. 11<br />
Multiplikation med skalär ............................................................................................................................ 12<br />
Hastighet som vektor ................................................................................................................................... 13<br />
Acceleration som vektor .............................................................................................................................. 15<br />
KRAFTER ........................................................................................................................................................... 16<br />
Kraftresultant .............................................................................................................................................. 16<br />
Newtons första lag ....................................................................................................................................... 18<br />
Newtons andra lag ....................................................................................................................................... 18<br />
Newtons tredje lag ....................................................................................................................................... 19<br />
GRAVITATION ................................................................................................................................................... 20<br />
Tyngd ........................................................................................................................................................... 22<br />
Tyngdacceleration ....................................................................................................................................... 24<br />
ENERGI ............................................................................................................................................................. 28<br />
Arbete .......................................................................................................................................................... 28<br />
Mekanisk energi........................................................................................................................................... 28<br />
Kinetisk energi ......................................................................................................................................................... 28<br />
Potentiell energi ........................................................................................................................................................ 29<br />
Effekt ............................................................................................................................................................ 30<br />
FRIKTION OCH LUFTMOTSTÅND......................................................................................................................... 32<br />
KROKLINJIG RÖRELSE ....................................................................................................................................... 33<br />
Maximal kastlängd ...................................................................................................................................... 33<br />
CIRKELRÖRELSER ............................................................................................................................................. 35<br />
RÖRELSEMÄNGD ............................................................................................................................................... 40<br />
Impuls .......................................................................................................................................................... 40<br />
Bevarande av rörel<strong>se</strong>mängd ........................................................................................................................ 40<br />
RELATIVITETSTEORI.......................................................................................................................................... 43<br />
LABORATIONER ................................................................................................................................................ 45<br />
AVSLUTNING ..................................................................................................................................................... 47<br />
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