AQA GCSE Combined Science Physics with correct answers 2025

AQA GCSE Combined Science
Physics with correct answers 2025


Vectorvquantitiesv-vcorrect-answers-havevmagnitudevandvdirection



Examplesvofvvectorvquantitiesv-vcorrect-answers-force,vvelocity,vmomentum,vacceleration



Scalarvquantitiesv-vcorrect-answers-Onlyvhavevmagnitudevandvnovdirection



Examplesvofvscalarvquantitiesv-vcorrect-answers-speed,vdistance,vtime



Vectorsv-vcorrect-answers-representedvbyvanvarrowv-
vthevlengthvofvthevarrowvshowsvthevmagnitude.vThevdirectionvofvthevarrowvshowsvthevdirectionvofvt


hevquantity



Avforcevisv-vcorrect-answers-
avpushvorvpullvonvanvobjectvthatvisvcausedvbyvitvinteractingvwithvsomething



whenvtwovobjectsvarevtouchingvforvthevforcevtovact,vitsvav....v-vcorrect-answers-contactvforce

,examplesvofvcontactvforcesv-vcorrect-answers-friction,vairvresistance,vtensionvinvropes.vetc



Ifvthevobjectsvdovnotvneedvtovbevtouchingvforvthevforcevtovact,vthevforcevisvav......v-vcorrect-answers-
nonvcontactvforce



examplesvofvnonvcontactvforcesv-vcorrect-answers-magneticvforcevandvgravitationalvforce



Twoveffectsvofvgravityv-vcorrect-answers--vmakesvallvthingsvfallvtowardsvthevgroundv

-vgivesveverythingvavweight



Whatvisvmass?v-vcorrect-answers-Thevamountvofvmaterialvanvobjectvisvmadevof

Itvisvthevsamevvalueveverywhere

Measuredvusingvavmassvbalance



Whatvisvweight?v-vcorrect-answers-Thevforcevactingvonvanvobjectvduevtovgravity

Itvdependsvonvthevstrengthvofvthevgravitationalvfieldvatvthevlocationvofvthevobject

Measuredvusingvavcalibratedvspringvbalancev-vnewtonmeter



EquationvforvWeightv-vcorrect-answers-
Weightv(N)v=vMassv(kg)vxvGravitationalvFieldvStrengthv(N/kg)

W=mg



Whatvisvweightvdirectlyvproportionalvto?v-vcorrect-answers-mass



Whatvarevfreevbodyvdiagrams?v-vcorrect-answers-
Diagramsvthatvshowvallvthevforcesvactingvonvanvobject

, Whatvisvthevresultantvforce?v-vcorrect-answers-
Thevsinglevforcevthatvreplacesvmultiplevforcesvactingvatvavsinglevpoint



Howvisvworkvdone?v-vcorrect-answers-
Whenvavforcevmovesvanvobjectvthroughvavdistance,venergyvisvtransferredvandvworkvisvdonevonvthev
object



Equationvforv'WorkvDone'v-vcorrect-answers-Workvdonev(J)v=vForcev(N)vxvDistancev(m)

W=Fs



Whatvisv1Jvequalvto?v-vcorrect-answers-1Nm



Ifvallvthevforcesvactingvonvanvobjectvcombinevtovgivevavresultantvforcevofvzerovthenvthevobjectvisvinv?v
-vcorrect-answers-equilibrium



Whatvcouldvhappenvwhenvyouvapplyvavforcevtovanvobject?v-vcorrect-answers-
Itvmayvstretch,vcompressvorvbend



Whatvhappensvwhenvanvobjectvisvelasticallyvdeformedv-vcorrect-answers-
Thevobjectvcanvgovbackvtovitsvoriginalvshapevandvlengthvaftervthevforcevhasvbeenvremoved



Whatvhappensvwhenvanvobjectvisvinelasticallyvdeformed?v-vcorrect-answers-
Thevobjectvwon'tvreturnvtovitsvoriginalvshapevandvlengthvaftervthevforcevhasvbeenvremoved



EquationvforvForcev1v-vcorrect-answers-Forcev(N)v=vSpringvConstantv(N/m)vxvExtensionv(m)

F=ke



Extensionvisvdirectlyvproportionalvto?v(Hooke'svLaw)v-vcorrect-answers-Thevforcevapplied