Leçon 4 : La Force Flashcards

1
Q

Force definition

A

Un pousee ou traction exercee sur un objet

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2
Q

Types de forces

A

1) force du contact: agit en touchant l’objet
2) force d’action/sans contact: agit sans contact

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3
Q

Masse definition

A

Quatite de matiere d’un objet (kg ou g)

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4
Q

Poid definition

A

Force gravitationelle exercee sur un objet (mesurer en N (Newtons))

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5
Q

Formule de poid

A

Force gravitationelle= masse x gravite (Fg= m x g) (gravite sur terre est toujours 9,8 N/kg)

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6
Q

Dynamometre definition

A

Instrument pour mesurer la force le plus courant (utilise un dynamometre le plus precis que possible qui est dans la gamme du dynamometre)

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