Fórsa Flashcards

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1
Q

Cad is fórsa

A

Rudud ar bith a chruthaíonn rud chun treoluas a bhogadh nó a athrú

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2
Q

Aonad SI de fórsa?

A

Newton (N)

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3
Q

3 samplaí de fórsa?

A

Brúigh, tarraingt, frithchuimilt

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4
Q

Cad é an chéad dlí de Newton?

A

Fanann rud ag an gcuid eile ar a shuaimhneas, mura ngníomhaíonn fórsa air. Fanann rud ag gluaiseacht ag gluaiseacht leis an luas céanna + treo

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5
Q

Cad é frithchuimilt?

A

Fórsa a chuireann cosc ar ghluaiseacht éasca idir dhá rud atá i dteagmháil

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6
Q

2 factóirí de frithchuimilt?

A
  1. Fórsa síos
  2. Gairbhe dromchla
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7
Q

2 buntaistí de frithchuimilt?

A
  1. Úsáideann coscáin i gcarr frithchuimilt
  2. Ceadaíonn sé greim idir boinn ghluaisteáin agus an bóthar
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8
Q

2 míbuntaistí de frithchuimilt?

A
  1. Cúiseanna dónna nuair a dreapadóireachta téad
  2. Cúiseanna i gcomhair (wear) ar páirt atá ag bogadh in inneal
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9
Q

2 slí chun frithchuimilt a laghdú?

A
  1. Bealú (lubrication)
  2. Déan dromchlaí níos réidhe
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10
Q

Foirmle de fórsa?

A

Mais x luasghéarú

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11
Q

Cad é an dara dlí de Newton?

A

Nuair a ghníomhaíonn fórsa ar mais, tarlaíonn luasghéarú. Níos mó an fórsa, níos mó an luasghéarú

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12
Q

Cad é meachain?

A

Fórsa na domhantarraingthe ag gníomhú ar rud

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13
Q

Foirmle i gcomhair meachain?

A

Mais x luasghéarú de bharr domhantarraingt

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14
Q

Foirmle de meachain ar dromchla an domhain?

A

Mais x 10

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15
Q

Cad é an triú dlí de Newton?

A

I gcomhair gach gníomh, tá gníomh atá cothrom agus os comhair (opposite)

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16
Q

Sampla de thríú dlí Newton?

A

Nuair a bhrúitear aer amach as balún, cuireann sé brú níos faide ar an mbalún sa treo eile