P,B,C Flashcards

1
Q

Termau sy’n disgrifio mudiant am corff

A

Disymud
Buanedd cyson neu gyflymder
Cyflymiad
Arafiad

Cyflymder yw’r buanedd mewn cyfeiriad penidol

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2
Q

Sut ydych yn cyfrifo buanedd

A

Pellter
——— = Cyflymder
Amser

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3
Q

Cyfrifo Cyflymiad

A

Newid mewn cyflymder (m/s)
————————————
Amser(s)

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4
Q

Ffactorau sy’n effeithio at y pellter meddwl

A

Buanedd
Alcohol neu guffuriau
Blinder
Ffonau symudol

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5
Q

Ffactorau sy’n effeithio ar pellter breicio

A

Buanedd
Amodau’r ffordd etc glaw
Màs y car
Cyflwr y breciau
Cyflwr y teiars

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6
Q

Cyfanswm pellter stopio

A

Pellter meddwl + Pellter brecio
9m. 14m.

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7
Q

Pellter meddwl

A

Maen dibynnu ar amser adweithio’r gyrrwr a dyma’r pellter a deithiwyd rhwng gweld y perygl a breicio.

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8
Q

Pellter brecio

A

Dyma’r pellter mae’r car yn teithio tra’n brecio

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9
Q

Hafaliad grym yr injan

A

Ffrithiant + gwrthiant aer

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10
Q

Arnofio

A

Brigwt /\
|

           | Pwysau \/
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11
Q

Glaw sy’n disgyn ar fuanedd cyson

A

Gwrthiant aer/\

Disgyrchiant\/

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12
Q

Awyren sy’n hedfan

A

Codiad/\
Disgyrchiant neu pwysau\/
Llusgiad -nol
Grym yr injan -ymlaen

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