tr.py

Created by tombachi445

Created on February 27, 2023

687 Bytes

v = d/∆t
- Point d’application : le centre de gravité
- Direction : verticale
- Sens : vers le bas
- Valeur : P= m×g (g étant l’intensité de pesanteur g = 9,8 N/kg)

v2 = distance entre M2 et M3/
durée entre t2 et t3
   =M2M3/t3–t2
 avec la distance en m et la durée en s
 
 Quand un objet est au repos ou en mouvement rectiligne et uniforme, 
 les forces se compensent :
c’est le principe d’inertie

paser de kmh en ms=/3.6
- un point d’application (centre de gravité ou point de contact)
- une direction (droite qui peut être horizontale, verticale ou oblique)
- un sens (vers le haut, vers le bas, la gauche, la droite)
- une valeur (ou norme) exprimée en newton (N)

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