Physique Mecanique Flashcards

1
Q

Vecteurs definition

A

Objet qui a une grandeur, direction et sens

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2
Q

Grandeur Scalaire

A

Pas d orientation
Nbr avec unite de measure
Ex: temps masse volume energie

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3
Q

Grandeur vectorielle

A

A une orientation
Nbr avec unite measure er orientation
Ex deplacement vitess force

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4
Q

Def de force

A

Action sur un corps qui modifie le mvt ou la forms, c est vectorielle

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5
Q

Masse

A

Quantity de mattiere dun objet
Tjr cst
Kg

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6
Q

Poids

A

Force hravitationelle qui agit sur un objet
Varie selon water
Newton

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7
Q

Normale

A

Force de reaction qui empeche objet a s enfoncer dans une surface
Tjr perpendiculaire

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8
Q

Si il y a poids

A

Il y a normale

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9
Q

Poids

A

Vers le bas

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10
Q

Surface incliner

A

Poids=py

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11
Q

Tension

A

Traction qu’exerce une corde sue objet

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12
Q

Resultante

A

Somme de tous Les forces
0N si eq ou vitesse cst

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13
Q

Force de rappel

A

Force utiliser par ressort pour Premiere forme initiale

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