2.3 Gwaith Ac Egni Flashcards

1
Q

Beth yw egni yn cael ei mesur mewn

A

Joules

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2
Q

Wrth codi are rollercoster

A

Colli KE
Ennill GPE

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3
Q

Wrth cwympo

A

Ennill ke
Colli
GPe

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4
Q

Pam nad ydy KE yn cyrraedd yr un lefelau a GPE

A

Colledion egni o ffrithiant

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5
Q

4 cam roller coastr

A

Grym gyrru yn tunny fynu i safle nes
GPE ar ei max
EK yw 0

Gpe yn newid i ke ond ddim ar y un lefelau
GPE 0
kE max

Defntddio KE i gwthio i lan ac felly yn newid
Gpe Max
Ke 0

GPE yn newid yn ol i Ke
GPE 0
Ke max

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6
Q

Os mae grym yn gweithredu mae yna

A

Gwauth

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7
Q

Dau peth syn effeitjo ar gwaith

A

Grym
Pellter

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8
Q

COFIO TRAWSNEWID I

A

PWYSAU

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9
Q

Beth yw egni cinetig

A

Yr egni sydd gan gwrthrych sydd yn symyd

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10
Q

Beth yw e potenisal disgyr hiol

A

Egni sydd gan gwrthrych ar uchder

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11
Q

Pa unedau sydd angen newid ac i veth

A

G i kg
Kj i j
Km i m

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12
Q

Sut i aildrefnu Ec = 1/2 m v^2 i cael v

A

2EC = mv^2
2Ec / m = v^2
[ 2EC/m

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13
Q

Ec = 1/2 m v^2 am M

A

2ec = mv^2
M = 2ec/v^2

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14
Q

Beth yw cadwraeth egni

A

Y syniad nid ydych yn
gallu ennill na cholli
egni

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15
Q

Deddf hooke

A

Hyd ag uwvhagswm llwyth, mae ymestyn yn gyfrannol id llwyth a osid arno

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16
Q

Yr uchaf ywr K

A

Y mwy anysmwyth

17
Q

Beth yw egni potrsnial elastig

A

Egnj storuwyd mreb corff oherwyffbllwythbsyj achosi iddo anffurfio

18
Q

Graph f i gwaith beth yw arwynebeddb

A

Egninwedi storio

19
Q

Whats 1/2FX or F=Kx gonna do if you have mo f
Perthnasol

A

Ee 1/2 k(x^2)
Od heb wedi torri

20
Q

Tri adaasias veir ac pam

A

Cywsdgran
Bahiau aer
Gwregts

Lleihau grym ar gyrwr
Cynnyddu amser y gwrtjdrawiaf