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Summary

Summary GCSE Physics: Energy

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Detailed notes, summarising the topic of energy in the GCSE Physics syllabus. Aimed at Edexcel International but also applicable to any other syllabus. Complete notes with many diagrams.

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Uploaded on
April 17, 2023
Number of pages
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Written in
2022/2023
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Summary

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Jones
Energy J theabilityto dowornbytransferofenergy

thenineenergysnores Thefourways
oftransferringenergy is
snarllightlegthesun Byhearingcandtransferringnear
Thermae1nearleg aradiator
Byradiationlegenergyfromthe sun
winchcamore g afan
meneCe mechanicallyCoy
movingthings

soundLegloudspeaker ElectricallyLinacircuit

GPElgravitationalpotentialenergylegabanonthetopofanice

Eeasn
cporenriaeCeg.arubberband the lawofconservationofenergy

chemicalleg a battery Energycannotbecreated or destroyed

Electricallegcurrentin awine
onlytransferredfromoneformtoanswer
NuclearLeginsidethenucleiofatoms




Efficiency

Forenergytobeuseful wemustconvern it fromonetypetoanoruer

usnavynorairoftheoriginalenergyisconvertedineroausefulformsomeis wasted

theeessenergywastedthemoreepiciereaprocessis

owner energywhichis usefullytransferred
Efficiencyisthearm of
Efficiencypercentage useful
outputloonies too
Toraeour
pun owes
aEfficiency oooo x coo
to co


useful
SankeyDiagrams is oral
ourput
input
Avisualwaytodemonstrateenergytransfers
g
thewiden
ofanarrowmumbeproportionaltotheamountofenergybeingrepresented
orthearrowmaeconeinuesstraightalongrepresentsusefulenergyarmour wasted
our
pun

, Gravi
rationalpor
ennal Energy

o graviranionalperennialenergytomess masskilograms xgravitationalheedsmergrucrew
ironsperuicogram xwignermemes


o ape J mlug xgening hcm

Dependentonmassneighandgrow onaea
inan eidomeng.ru




kineticEnergy is

akineticenergyCoomes 12massCuigrams xnewcity2memespersecond5
o neis k x mng x v mis
Dependentonmassandspeed
creeocity




wornaone is

The
amountofenergynor hasbeentransferred


crew
workdone owes Force rous x Disranceenemies

o wDes FCN xDem



power is

theamountofenergytransferredpersecond

Theraceofdoingwork

awaits Energy
Power transferredGoonies
timenauencseconds
o pcw Else
tes
otomes
persecondCsis is technicallycorrectburnonconventional
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