Fórsa Flashcards

1
Q

Mínigh Fórsa

A

Fórsa is aon rud le cúis le luasghéarú

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2
Q

An Aonad Fórsa?

A

Niútan (N)

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3
Q

Conas a thomas fórsa?

A

Niútanmeadair

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4
Q

Mínigh frithchumilt

A

Frithchuimilt is ea an bhfórsa a chuireann i gcoinne na gluaiseachta

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5
Q

2 slí chun frithchuimilt a laghdú?

A
  1. Béalú (lubrication)
  2. Sruthliniú (níos aerodynamic)
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6
Q

2 míbuntaistí de frithchumilt?

A
  1. Is cúis le hidiú é
  2. Cuireann frithchuimilt fuinneamh amú
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7
Q

2 buntaistí de frithchuimilt?

A
  1. Moilíonn sé báisteach agus sneachta nuair a bhfuil sé ag titim
  2. Is cúis le coscáin é
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8
Q

Mínigh meachain

A

Tá meachain ar thomas ar fhórsa domhantarraingt ar chorp

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9
Q

Fóirmle meachain?

A

W=mg

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10
Q

2 difríocht idir meachain agus mais?

A
  1. thomas= (n) vs (kg)
  2. Tá mais an méid damhna (matter) i corp, ach tá meachain an fórsa domhantarraingt an chorp
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11
Q

Mínigh an Dlí Hooke

A

Bíonn síneadh sprionga bhísigh i gcomhréir dhíreach leis an bhfórsa feidhmeach

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12
Q

Cad é meachain de chorp le mais 90KG?

A

W=mg
W=90 x g(10)
W=900n

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