Fisi3 Flashcards

0
Q

Q sign estatica y q analiza

A

Que no se mueve

Estudia objetos en equilibrio

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1
Q

Que estudia la dinamica

A

Causas q originan el mov o reposo de los cuerpos

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2
Q

Cuerpo rigido

A

Q no se deforma por fuerzas externas

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3
Q

Condiciones del equilibrio

A

1• condicion +FX=0 eq horizontal
+Fy=0 eq vertical >eq traslacional
2• condicion +M=0 eq rotacional

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4
Q

Q es estabilidad

A

Cualidad de mantener el equilibrio

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5
Q

Que es friccion y en que de divide

A

Fuerza paralela a la superficie en contacto
Estatica-reaccion cndo reposo empieza a deslizar
Dinamica-magn igual a la q requiere pa generar movimiento

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6
Q

Leyes newton

A

Ley de la inercia
De la propor entre fuerzas y aceler
Accion reaccion

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7
Q

2da ley

A

F=m•a

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8
Q

Como son relaciones entre f m y a

A

M-a inversamente propor

F - m directamente propor

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9
Q

Def peso

A

Fuerza q ejerce gravedad s todo cuerpo

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10
Q

Normal

A

Fuerza q ejerce la sup a cuerpos sobre ella

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11
Q

Friccion

A

Fuerza paralela a la sup en contacto

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12
Q

Tension

A

Fuerza de friccion q activa un cable

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