HIDROSTÁTICA - 3 Flashcards

1
Q

Presión: unidades y proporciónes

A
  • P = F/A
  • Atm, HPa, Pa y mmHg
  • 1 atm = 760 mm Hg = 1013,24 HPa = 101.324 Pa
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2
Q

Densidad

A
  • D = m/v
  • Agua dulce: 1
  • Agua del mar: 1,03
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3
Q

Peso específico

A
  • Pe = P/V ; d x g
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4
Q

Fluídos

A
  • Substâncias que puede fluir o derramarse
  • Fluido transmite presión y sólido transmite fuerza
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5
Q

Presión Hidrostática

A
  • PH = d x g x h ; Pe x h
  • Diferenza de presión: Pe x (hB - hA)
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6
Q

Principio de Pascal

A
  • La presión aplicada en un punto del fluido, se transmite igualmente en todos los puntos
  • P1 = P2 o F1/A1 = F2/A2
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7
Q

Princípio de Arquimedes

A
  • Todo el cuerpo sumergido en un líquido, sufre la acción del EMPUXO
  • E = Pe x V deslocado
    Pe da água
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8
Q

Peso Aparente

A
    • Pa = P - E
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