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Erőhatás fogalma Mozgásállapot változtató hatás.
Erő fogalma Az erőhatás mértéke.
Erő jele F
Erő mértékegysége N
Erő ábrázolása Nyíllal.
Milyen mennyiség az erő? Vektor.
Mikor 1 N az erő? 1 kg tömegű test sebességét 1 s alatt 1 m/s sebességre gyorsítja fel.
Vektormennyiségek jellemzői Nagysága és iránya van.
Támadáspont Az a pont, ahol az erőhatás a testet éri.
Hatásvonal A támadásponton átmenő és az erő irányába eső egyenes.
Erőfajták izomerő, súlyerő, rugalmas erő, gravitációs erő, súrlódási erő
Súlyerő Az az erő, amely az alátámasztást nyomja vagy a felfüggesztést húzza.
Milyen állapotban vannak a szabadon eső testek? Súlytalansági állapotban.
Mekkora 1 kg tömegű nyugvó test súlya? 10 N
Created by: kongsaysakne



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