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7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 1/22
@cerkerpEc% Rgrik Xlmk
8<% <8%< E{`ik{p ca le Lrcf Xm <
8:% <8%: Leliwpgem Zlbgcl`rgqk Bk`lw Xm : ‐ <8
80% <8%0 [pkb ca Zlbgcgpcrcxkp Xm <<& <:
82% <8%2 [ebkzprlebgem E{`iklz Kekzmw Xm <0‐ <=8;% <8%; Xzcxkz Flelmkfker ca
Zlbgcl`rgqk P{jprle`kp
Xm <4 ‐ :8
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 2/22
:% Xzcrce E{fjkz leb E{`ikce E{fjkz?
Xzcrce E{fjkz ‐ rdk e{fjkz ca xzcrcep ge rdk e{`ik{p ca le lrcf%
Zkxzkpkerkb jw ikrrkz _%
Xzcrce E{fjkz lipc zkxzkpkerp rdk e{fjkz ca kik`rzcep ge rdk czjgr%
Xzcrce . Ek{rzce 6 E{`ikcep
E{`ikce E{fjkz ‐ rcrli e{fjkz ca xzcrcep leb ek{rzcep ge rdk
e{`ik{p ca le lrcf% Zkxzkpkerkb jw ikrrkz L%
0% E{`igbk Ecrlrgce?
Rdk e{`igbk ca le lrcf gp zkakzzkb rc rdk e{`ikce e{fjkz ca rdk lrcf) k%m%
igrdg{f&1 leb `lzjce&<:%
Kl`d lrcf dlp l pwfjci) k%m% D gp rdk pwfjci ca dwbzcmke%
Le lrcf `le jk zkxzkpkerkb jw l e{`igbk ecrlrgce% k%m% rdk pwfjci ca le
kikfker T?
2% Gpcrcxkp?
Gpcrcxkp? lrcfp }grd rdk plfk e{fjkz ca xzcrcep j{r bgaakzker e{fjkz ca
ek{rzcep%
Plfk Xzcrce E{fjkz _ j{r l bgaakzker E{ ikce E{fjkz L%
<8%< E{`ik{p ca le Lrcf?
<% @cfxcpgrgce ca rdk E{`ik{p%
Kik`rzce
Xzcrce
Czjgr
L dkig{f lrcf
Ek{rzce
Lrcf
Kik`rzce & ekmlrgqkiw`dlzmkb
E{`ik{p
Xzcrce & xcpgrgqkiw`ldzmkb
Ek{rzce & e{krzli
P{j&lrcfg`
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 3/22
<8%: Leliwpgem Zlbgcl`rgqk Bk`lw?
Zlbgcl`rgqgrw?
<% Rdk pxcerlekc{p bgpgerkmzlrgce ca rdk e{`ik{p ca le {eprljik lrcf
l``cfxlegkb jw zlbgcl`rgqk kfgppgcep gp nec}e lp zlbgcl`rgqgrw%
:% Rwxkp ca zlbgcl`rgqk kfgppgcep rdlr `le jk kfgrrkb jw rdk e{`ik{p ca
{eprljik lrcfp lzk?
$l' lixdl xlzrg`ikp
$j' jkrl xlzrg`ikp
$`' mlffl zlwp
0% Rdk e{`ik{p ca {eprljik lrcfp `le kfgr cek cz fczk rwxkp ca zlbgcl`rgqk
kfgppgcep%2% Zlbgcl`rgqk kikfkerp }gii `cerge{k rc kfgr zlbgcl`rgqk kfgppgcep {ergi
grp lrcfp jk`cfk prljik%
Bkrk`rczp acz Zlbgcl`rgqk Kfgppgcep?
Xdcrcmzlxdg` Bkrk`rczp?
<% Rdk kaak`r ca zlbglrgce ce xdcrcmzlxdg`
agifp gp {pkb rcblw jw zlbglrgce
}cznkzp rc fcegrcz rdkgz ikqki ca
ktxcp{zk rc zlbglrgce ge rdk `c{zpk ca
rdkgz }czn%
:% Zlbglrgce }cznkzp lzk zk|{gzkb rc }klz l pklikb jlbmk `cerlgegem l
xdcrcmzlxdg` agif%
0% Rdk agif gp zkxil`kb leb bkqkicxkb lr zkm{ilz gerkzqlip ca rgfk leb rdk
lfc{er ca jil`nkegem ca rdk agif gebg`lrkb rdk ikqki ca ktxcp{zk%
2% Ga rdk ikqki gp rcc dgmd) rdk }czngem lzkl f{pr jk `dk`nkb acz iklnlmk ca
zlbglrgce leb rdk }cznkzp f{pr mc acz l fkbg`li `dk`n&{x%
;% Rdk bgplbqlerlmk ca rdgp rwxk ca fcegrczgem gp ge rdk `lpk ca le l``gbkerli
ilzmk ktxcp{zk }dkzk rdk gebgqgb{li }c{ib ecr nec} rdk ktrker ca rdk
ktxcp{zk {ergi rdk agif gp zkxil`kb leb bkqkicxkb%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 4/22
Mkgmkz&F{iikz R{jk $M&F R{jk'?
<% Rdk M&F r{jk dlp r}c kik`rzcbkp
l`zcpp }dg`d l qcirlmk ca ljc{r
288 Q gp lxxigkb%
:% L `kerzli }gzk l`rp lp rdk lecbk
}dgik rdk `wigebzg`li fkrli }lii
ca rdk r{jk aczfp rdk `lrdcbk%
0% Rdk r{jk gp agiikb }grd lzmce mlp
lr ic} xzkpp{zk% Gr dlp l rdge fg`l }gebc} lr cek keb rdzc{md }dg`d
zlbglrgce `le kerkz% ]dke zlbglrgce kerkzp rdk r{jk) gr xzcb{`kp lzmce
gcep leb kik`rzcep% Rdkpk lzk l``kikzlrkb rc}lzbp rdk zkpxk`rgqk
kik`rzcbkp) `l{pgem fczk gcegplrgce jw `ciigbgem }grd crdkz lzmce lrcfp%
2% Ce zkl`dgem rdk kik`rzcbkp) rdk gcep xzcb{`k l `{zzker x{ipk rdlr gplfxigagkb leb akb kgrdkz rc l p`likz cz rc l zlrk fkrkz%
;% L p`likz `c{erp rdk x{ipkp leb pdc}p rdk rcrli e{fjkz ca x{ipkp cz
—`c{erp‗ zk`kgqkb ge l kzrlge rgfk%
Bgaa{pgce @ic{b @dlfjkz?
<% L `ic{b `dlfjkz keljikp rdk
rzl`np ca e{`iklz zlbglrgce rc
jk pkke%:% L akir zgem gepgbk rdk rcx ca rdk
`dlfjkz gp pclnkb }grd li`cdci%
0% Rdk qlxc{z azcf rdk li`cdci gp
`ccikb jw rdk bzw g`k lp gr
bgaa{pkp bc}e}lzbp jkic} rdk fkrli jlpk ca rdk lfjkz%
2% Rdk `cebkepkb li`cdci bzcxikrp zkaik`r igmdr leb `le jk pkke lp l }dgrk
rzl`n ljcqk rdk jil`n fkrli jlpk ca rdk `dlfjkz%
;% Rdk bgaakzker zlbglrgcep lzk gbkergagkb lp aciic}p?
l' lixdl xlzrg`ikp xzcb{`k
przlgmdr) rdg`n rzl`np }dg`d
lzk ca ljc{r rdk plfk
ikemrd
j' jkrl xlzrg`ikp xzcb{`k
rdgeekz leb r}gprkb rzl`np
`' mlffl zlwp xzcb{`k rdge)
pdczr leb gzzkm{ilz rzl`np
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 5/22
Pxlzn @c{erkz?
<% L pxlzn `c{erkz `le jk
{pkb rc bkrk`r lixdl
xlzrg`ikp% Gr `cepgprp ca
}gzk ml{k }grd l agek }gzk
fc{erkb : ff jkic} gr%
:% L dgmd qcirlmk gp lxxigkb
jkr}kke rdk ml{k leb rdk
}gzk {ergi pxlznp c``{z% Rdk qcirlmk gp rdke zkb{`kb {ergi rdk pxlznp o{pr
prcx ${p{liiw ljc{r 2%; nQ'%
0% ]dke l zlbg{f pc{z`k gp dkib }grd l acz`kxp < cz : `f ljcqk rdk ml{k)
pxlznp lzk pkke leb dklzb lr gzzkm{ilz gerkzqlip% Rdgp gp b{k rc rdk
zlbglrgce gcegpk rdk lgz jkr}kke rdk ml{k leb rdk }gzk%2% Ga l pdkkr ca xlxkz gp gepkzrkb jkr}kke rdk pc{z`k leb rdk ml{k) rdk
pxlznp prcx% Rdgp pdc}p rdlr lixdl xlzrg`ikp `leecr xkekrzlrk xlxkz%
Mcib Ikla Kik`rzcp`cxk?
<% L `dlzmkb mcib ikla kik`rzcp`cxk
`le jk {pkb rc bkrk`r lixdl
xlzrg`ikp%
:%
Rdk mcib ikla ca rdk kik`rzcp`cxkaliip }dke l zlbg{f pc{z`k gp
jzc{mdr eklz rdk `lx%
0% Rdk gcegplrgce kaak`r ca rdk lixdl
xlzrg`ikp `l{pkp rdk lgz rc jk
gcegpkb gerc xcpgrgqk leb ekmlrgqk
gcep%
2% Xcpgrgqk gcep ge rdk lgz lzk lrrzl`rkb rc rdk `lx ga gr gp ekmlrgqkiw `dlzmkb)
`l{pgem rdk mcib ikla rc algi% $Ekmlrgqk gcep ge rdk lgz lzk lrrzl`rkb rc rdk
`lx ga gr gp xcpgrgqkiw `dlzmkb'%
;% Rdk mcib ikla kik`rzcp`cxk gp ecr p{grljik acz bkrk`rgem jkrl xlzrg`ikp leb
mlffl zlwp lp rdkpk zlbglrgcep `l{pk }kln gcegplrgce ca rdk lgz%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 6/22
@dlzl`rkzgprg`p ca Zlbgcl`rgqk Kfgppgcep?
Elr{zk?
<% Rdk lixdl $μ' xlzrg`ik gp l dkig{f e{`ik{p $2: Dk'% L μ&xlzrg`ik gp
xcpgrgqkiw `dlzmkb%:% Rdk jkrl $κ' xlzrg`ik gp l qkzw dgmd&kekzmw kik`rzce $&<
8k'% L κ&xlzrg`ik
gp ekmlrgqkiw `dlzmkb%
0% Rdk mlffl $ΰ' zlw gp le kik`rzcflmekrg` }lqk ca qkzw dgmd kekzmw
leb azk|{ke`w% Rdk ΰ&zlw gp ek{rzli%
Gcegpgem Kaak`r?
<% Zlbgcl`rgqk kfgppgcep `le gcegk mlpkp gerc xcpgrgqk leb ekmlrgqk gcep
lp rdkw xlpp rdzc{md rdkf%
:% Rdk bgaa{pgce `ic{b `dlfjkz liic}p {p rc `cfxlzk rdk gceggem xc}kz ca
rdk kfgppgce fcpr klpgiw jk`l{pk rdk rdg`nekpp ca rdk rzl`np gebg`lrkp
rdk gceggem xc}kz ca rdk kfgppgce%
0% Lixdl xlzrg`ikp dlqk rdk przcemkpr gceggem xc}kz) lp `le jk pkke jw rdk
przlgmdr rdg`n rzl`np rdkw iklqk ge rdk `ic{b `dlfjkz%
2% Rdk gceggem xc}kz ca jkrl xlzrg`ikp gp f{`d ikpp rdle rdlr ca rdk lixdl
xlzrg`ikp%
;% Mlffl zlwp dlqk qkzw ic} gceggem xc}kz rdlr gp qkzw f{`d ikpp rdlekqke jkrl xlzrg`ikp%
Xkekrzlrgem Xc}kz?
<% ΰ &zlwp dlqk rdk mzklrkpr xkekrzlrgem xc}kz }dgik μ&xlzrg`ikp dlqk rdk
iklpr xkekrzlrgem xc}kz%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 7/22
Bkaik`rgce ge Le Kik`rzg` Agkib?
<% $l' μ&xlzrg`ikp lzk bkaik`rkb rc}lzbp rdk ekmlrgqk xilrk)
$j' κ&xlzrg`ikp lzk bkaik`rkb rc}lzbp rdk xcpgrgqk xilrk)
$`' ΰ ‐zlwp lzk ecr bkaik`rkb lr lii%:% Rdgp gebg`lrkp rdlr
$l' μ&xlzrg`ikp lzk xcpgrgqkiw `dlzmkb)
$j' κ&xlzrg`ikp lzk ekmlrgqkiw `dlzmkb)
$`' ΰ ‐zlwp lzk ek{rzli leb dlqk ec flpp%
0% Jkpgbkp) rdgp lipc
$l' μ&xlzrg`ikp lzk ceiw pigmdriw bkaik`rkb ge rdk kik`rzg` agkib jk`l{pk rdkw
dlqk ilzmk flpp%
$j' Κ&xlzrg`ikp lzk klpgiw bkaik`rkb ge rdk kik`rzg` agkib jk`l{pk rdkw dlqk
pflii flpp%
Bkaik`rgce ge l Flmekrg` Agkib?
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 8/22
Zlbgcl`rgqk Bk`lw?
<% Rdk xzc`kpp ge }dg`d {eprljik e{`ikg kfgr μ&xlzrg`ikp) κ&xlzrg`ikp leb
ΰ ‐zlwp ge czbkz rc aczf prljik e{`ikg gp nec}e lp zlbgcl`rgqk bk`lw%
:% Zlbgcl`rgqk bk`lw gp pxcerlekc{p leb `leecr jk `cerzciikb% Gr gp
zlebcf leb `leecr j prcxxkb cz pic}kb bc}e%
0% Rdk kfgppgce ca xlzrg`ikp zkp{irp ge `dlemkp ge rdk e{fjkz ca xzcrcep
leb ek{rzcep ge rdk e{`igbk% Rdgp `dlemk `l{pkp rdk czgmgeli e{`igbk rc
jk`cfk rdk e{`igbk ca lecrdkz kikfker%
2% Rdk e{`igbk rdlr bk`lwp gp `liikb rdk xlzker e{`igbk leb rdk ek} e{`ik{p
aczfkb jk`l{pk ca rdk bk`lw gp `liikb rdk bl{mdrkz e{`igbk%
Lixdl Bk`lw?
<% L μ&xlzrg`ik gp l dkig{f e{`ik{p dlqgem : xzcrcep leb : ek{rzcep %
:% ]dke le lrcf bk`lwp jw μ&kfgppgce) grp e{`ikce e{fjkz bk`zklpkp jw 2
leb grp xzcrce e{fjkz bk`zklpkp jw :%
0% Rdk `dlemk ge rdk e{`ikce leb xzcrce e{fjkzp ca rdk e{`ik{p `le jk
zkxzkpkerkb jw rdk aciic}gem k|{lrgce?
Xlzker e{`igbk bl{mdrkz e{`igbk μ xlzrg`ik
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 9/22
Jkrl Bk`lw?
<% ]dke le lrcf bk`lwp jw κ kfgppgce) grp e{`ikce e{fjkz zkflgep rdk
plfk j{r grp xzcrce e{fjkz ge`zklpkp jw <%
:% Rdk `dlemk ge rdk e{`ikce leb xzcrce e{fjkzp ca rdk e{`ik{p `le jk
zkxzkpkerkb jw rdk aciic}gem k|{lrgce?
Xlzker e{`igbk bl{mdrkz e{`igbk κ xlzrg`ik
0% B{zgem jkrl bk`lw) l ek{rzce `dlemkp rc l xzcrce leb le kik`rzce%
2% Rdk xzcrce zkflgep ge rdk e{`ik{p leb rd{p `l{pkp rdk xzcrce e{fjkz ca
rdk bl{mdrkz e{`igbk rc ge`zklpk jw <%
;% Rdk e{`ikce e{fjkz zkflgep rdk plfk) lp rdk rcrli e{fjkz ca xzcrcep
leb ek{rzcep bckp ecr `dlemk%1% Rdk kik`rzce gp ktxkiikb azcf rdk e{`ik{p leb gp kfgrrkb lp l dgmd&kekzmw
κ&xlzrg`ik%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 10/22
Mlffl Kfgppgce?
<% ]dke le {eprljik lrcf bk`lwp rdzc{md rdk kfgppgce ca μ cz κ xlzrg`ikp)
rdk lrcf gp pcfkrgfkp ikar }grd kt`kpp kekzmw% Rdgp kt`kpp kekzmw gp
kfgrrkb lp azk|{ke`w kik`rzcflmekrg` }lqkp nec}e lp ΰ zlwp%
:% Rdk kfgppgce ca ΰ zlwp dlp ec kaak`r ce kgrdkz rdk e{`ikce cz rdk
xzcrce e{fjkz ca rdk lrcf%
Zlbgcl`rgqk Pkzgkp?
<% Rdk a{ii bk`lw xzc`kpp ca l {zleg{f&:04 e{`igbk) {ergi rdk aczflrgce
ca l prljik iklb&:81 e{`igbk)
gp nec}e lp l zlbgcl`rgqk pkzgkp%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 11/22
Dlia&igak?
<% Rdk dlia&igak ca l zlbgcl`rgqk e{`igbk gp rdk rgfk rlnk acz dlia ca rdk
e{`ikg xzkpker ge lew mgqke plfxik rc bk`lw cz `dlemk gerc l ek}
e{`igbk%
:% Rdk dlia&igak ca l zlbgcl`rgqk e{`igbk `le lipc jk bkagekb lp rdk rgfk rlnke
acz rdk l`rgqgrw ca lew mgqke plfxik rc zkb{`k rc dlia ca grp czgmgeli
qli{k%
0% Rdk zlrk ca bk`lw gp {elaak`rkb jw rkfxkzlr{zk j{r l zlbgcl`rgqk e{`igbk
dlp grp c}e bkagegrk dlia&igak% Dlia&igqkp qlzw mzklriw azcf l ak} rdc{pleb
wklzp rc l azl`rgce ca l pk`ceb%
2% Rdk l`rgqgrw cz bk`lw zlrk ca l zlbgcl`rgqk e{`igbk `le jk bkrkzfgekb
{pgem l M&F r{jk leb l `c{erkz%
;% Rdk zkp{irp ca le ktxkzgfker rc bkrkzfgek rdk dlia&igak ca rdk zlbgcl`rgqk
e{`igbk lzk pdc}e ge l mzlxd%
1% Rdk dlia&igak ca l xlzrg`{ilz zlbgcl`rgqk plfxik gp li}lwp `ceprler
leb bckp ecr bkxkeb ce rdk lfc{er ca rdk plfxik ikar larkz rdk bk`lw%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 12/22
<8%0 [pkp ca Zlbgcgpcrcxkp?
Zlbgcgpcrcxkp? Gpcrcxkp rdlr lzk ecr prljik leb {ebkzmc zlbgcl`rgqk
bk`lw%
<% Zlbgcgpcrcxkp ktgpr elr{zliiw%:% Lzrgag`gli zlbgcgpcrcxkp lzk fle{al`r{zkb flgeiw jw gzzlbglrgem
p{jprle`kp }grd ek{rzcep ge l e{`iklz zkl`rcz%
0% Rdkw `le lipc jk fle{al`r{zkb jw jcfjlzbgem l prljik e{`ik{p }grd
dgmd&kekzmw xlzrg`ikp p{`d lp xzcrcep cz ek{rzcep%
2% Zlbgcgpcrcxkp dlqk flew xzl`rg`li {pkp%
[pkp ca Zlbgcgpcrcxkp?
Zlbgcrdkzlxw?
<% Mlffl zlwp kfgrrkb jw `cjlir&18 `le jk {pkb rc ngii rdk `le`kz `kiip ge l
fligmeler r{fc{z ca l `le`kz xlrgker%
:% Ge czbkz rc xzkqker dklirdw `kiip azcf jkgem bkprzcwkb) rdk `cjlir&18
pc{z`k gp zcrlrkb ge l `gz`ik }grd rdk `le`kz `kiip xcpgrgcekb lr rdk `kerzk
ca rdk `gz`ik pc rdlr rdkw `le zk`kgqk rdk fltgf{f lfc{er ca zlbglrgce%
0% Rdk dklirdw `kiip }gii ceiw zk`kgqk l fgegf{f lfc{er ca zlbglrgce leb
rd{p xzkqker rdkf azcf jkgem bkprzcwkb%
[pkp ca Zlbgcgpcrcxkp
Fkbg`gek
& lp l rzl`kz
& zlbgcrdkzlxdw
& prkzgigplrgce
Lmzg`{ir{zk
& lp l rkl`kz
& lp l xzkpkzqlrgcelmker
& lp l f{rlrgem
lmker
& lp l prkzgigpgem
lmker
Lz`dlkcicmw
& lzjce blrgem
Geb{przgkp
& rdg`nekpp cerzci
& ktlfgegem rdk
`cerkerp ca leekb
p{jprle`kp& rzl`ngem iklnlmk
ge gxkp
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 13/22
Lp l xzkpkzqlrgce Lmker?
<% Az{gr leb accbpr{aa lzk zlbglrkb rc ge`zklpk rdkgz pdkia igak%
:% Xcrlrckp rzklrkb }grd ic} bcpkp ca zlbglrgce `le jk xzkqkerkb azcf
pxzc{rgem%
@lzjce Blrgem?
<% @lzjce bgctgbk ge rdk lrfcpxdkzk `cerlgep r}c gpcrcxkp? dgp `cffce)
prljik `lzjce&<: leb rdk zlzk zlbgcl`rgqk `lzjce&<2%
:% Igqgem xilerp ljpczj leb mgqk c{r `lzjce bgctgbk% Rdgp `l{pkp rdk
xkz`kerlmk ca `lzjce&<2 xzkpker ge rdk xiler rgpp{kp rc zkflge `ceprler%
0% ]dke l xiler bgkp) rdk `lzjce&<2 rzlxxkb ge gr bk`lwp jw jkrl kfgppgce
}grd l dlia&igak ca ;=08 wklzp%
2% Jw fklp{zgem rdk l`rgqgrw ca `lzjce&<2 ge lz`dlkcicmg`li plfxikp leb
`cfxlzgem gr rc rdk l`rgqgrw ca igqgem czmlegpf) rdk lmk ca rdk plfxik `le
jk bkrkzfgekb xzk`gpkiw%
;% Rdgp fkrdcb gp `liikb `lzjce blrgem leb gp {pkb jw lz`dlkcicmgprp rc
bkrkzfgek rdk lmk ca le`gker zkflgep p{`d lp acppgip%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 14/22
<8%2 [ebkzprlebgem E{`iklz Kekzmw?
Lrcfg` Flpp [egr $l%f%{%'?
<% Rdk flpp ca le lrcf gp fklp{zkb ge l {egr `liikb rdk lrcfg` flpp {egr
$l%f%{%'
:% Rdk l%f%{% gp bkagekb lp cek r}kiqk ca rdk flpp ca l `lzjce&<: lrcf%
E{`iklz Agppgce?
<% E{`iklz agppgce gp l xzc`kpp }dkzk rdk e{`ik{p ca l dklqw lrcf pxigr gerc
r}c b{k rc rdk jcfjlzbfker jw l pic} fcqgem ek{rzce%
:% Jkgem {e`dlzmkb) l ek{rzce gp ecr zkxkiikb ce lxxzcl`dgem rdk e{`ik{p%
Rdgp keljikp rdk ek{rzce rc dgr rdk e{`ik{p) `l{pgem gr rc pxigr%
0% ]dke l pic} fcqgem ek{rzce dgrp rdk e{`ik{p ca {zleg{f&:0;) gr pxigrp
gerc r}c eklziw k|{li zlbgcl`rgqk e{`ikg) carke jlzg{f leb nzwxrce)
rcmkrdkz }grd rdk kfgppgce ca r}c cz rdzkk ek{rzcep leb l rzkfkebc{p
lfc{er ca kekzmw%
2% Rdk kekzmw zkiklpkb jw rdk agppgce ca kqkzw {zleg{f&:0; lrcf gp
keczfc{p% Gr gp ljc{r ;88 fgiigce rgfkp mzklrkz rdle rdlr cjrlgekb azcf
rdk j{zegem ca `lzjce%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 15/22
@dlge Zkl`rgce?
<% Ek{rzcep kfgrrkb b{zgem agppgce `le `lzzw ce pxigrrgem crdkz e{`ikg%
:% Kl`d ca rdk ek{rzcep xzcb{`kb b{zgem agppgce }gii dgr lecrdkz e{`ik{p% Lr
rdk plfk rgfk) fczk ek{rzcep lzk xzcb{`kb%0% Rdk `cerge{c{p pxigrrgem ca e{`ikg }gii zkp{ir ge l `dlge zkl`rgce) `l{pgem l
rzkfkebc{p lfc{er ca kekzmw rc jk zkiklpkb ge l qkzw pdczr xkzgcb%
2% Ge xzl`rg`k) flew agppgce ek{rzcep lzk icpr lp rdkw kp`lxk azcf rdk p{zal`k
ca rdk {zleg{f }grdc{r `l{pgem a{zrdkz agppgce%
;% Rdk zlrgc ca ek{rzcep kp`lxgem rc rdcpk `l{pgem agppgce bk`zklpkp lp rdk
flpp ca {zleg{f ge`zklpkp%
1% Acz l `dlge zkl`rgce rc c``{z) rdk flpp ca rdk {zleg{f&:0; dlp rc kt`kkb l
`kzrlge qli{k) `liikb rdk `zgrg`li flpp%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 16/22
E{`iklz A{pgce?
<% E{`iklz a{pgce gp rdk xzc`kpp }dkzk r}c igmdr e{`ikg lzk {egrkb gerc l
dklqgkz e{`ik{p }grd rdk zkiklpk ca le keczfc{p lfc{er ca kekzmw%
:% E{`iklz a{pgce c``{zp }dke rdk e{`ikg ca bk{rkzg{f $dwbzcmke&:' lebrzgrg{f $dwbzcmke&0' lzk {egrkb rc aczf l e{`ik{p ca dkig{f leb l
ek{rzce%
0% Acz a{pgce rc c``{z) rdk r}c dwbzcmke e{`ikg dlqk rc lxxzcl`d kl`d crdkz
lr qkzw dgmd pxkkb ge czbkz rc cqkz`cfk rdk kik`rzg`li acz`k ca
zkx{ipgce jkr}kke rdkf% Rdgp `le jk l`dgkqkb jw zlgpgem rdk
rkfxkzlr{zk ca rdk dwbzcmke mlp rc <8 fgiigce ¸@%
2% Fle&flbk {e`cerzciikb a{pgce dlp zkp{irkb ge rdk dwbzcmke jcfj%;% Rdk gegrgli rkfxkzlr{zk zk|{gzkb gp cjrlgekb {pgem {e`cerzciikb agppgce
$lp ge le lrcfg` jcfj' rc rzgmmkz caa rdk a{pgce%
1% Zkpklz`d gp jkgem bcek rc ageb l fkrdcb ca xzcb{`gem `cerzciikb a{pgce
j{r rdgp dlp ecr jkke p{``kppa{i% Ga `cerzciikb a{pgce kqkz jk`cfkp l
zkligrw) gr }c{ib jk qkzw lj{ebler leb plak pc{z`k kekzmw%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 17/22
Zkiklpk ca Kekzmw ge E{`iklz Zkl`rgcep?
<% Ge l e{`iklz zkl`rgce) rdk flppkp ca rdk azlmfkerp xzcb{`kb lzk li}lwp
pigmdriw ikpp rdle rdk flpp ca rdk czgmgeli e{`ik{p%
:% Rdk icpp ge flpp) nec}e lp rdk flpp bkak`r) gp `ceqkzrkb gerc kekzmw%0% Ge <78;) Kgeprkge pdc}kb rdlr rdk zkilrgcepdgx jkr}kke flpp leb
kekzmw gp mgqke jw rdk k|{lrgce? K 6 f`:) }dkzk K gp rdk kekzmw zkiklpkb
ge oc{ikp) f gp rdk flpp bkak`r ge ngicmzlfp leb ` gp rdk pxkkb ca igmdr ge
fkrzk xkz pk`ceb%
2% Rdk flpp bkak`r ge pcfk e{`iklz zkl`rgcep gp |{grk pgmegag`ler% P{`d
zkl`rgcep lzk {p{liiw l``cfxlegkb jw rdk zkiklpk ca l rzkfkebc{p
lfc{er ca kekzmw%
;% Rdk kekzmw zkiklpkb ge e{`iklz zkl`rgcep gp nec}e lp e{`iklz kekzmw%
1% E{`iklz kekzmw `le lipc jk fklp{zkb ge kik`rzce qcir $kQ'% Rdk kik`rzce
qcir gp bkagekb lp rdk kekzmw l`|{gzkb jw le kik`rzce $cz l xzcrce'
fcqgem rdzc{md l xcrkergli bgaakzke`k ca < qcir%
< kQ 6 <%18 t <8U&<7 O
Mkekzlrgce ca Kik`rzg`grw azcf E{`iklz Agppgce?
<% Ge l e{`iklz xc}kz xiler) agppgce ge l e{`iklz zkl`rcz xzcqgbkp kekzmw rc
mkekzlrk prklf rc bzgqk l r{zjgek% Rdk r{zjgek ge r{ze bzgqkp l mkekzlrcz
rc xzcb{`k kik`rzg`grw%
:% Rdk `dlge zkl`rgce rdlr rlnkp xil`k ge l e{`iklz zkl`rcz gp `cerzciikb rc
zkiklpk kekzmw lr l prklbw zlrk%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 18/22
0% Rdk a{ki acz fcpr e{`iklz zkl`rczp `cepgprp ca xkiikrp ca `kzlfg` {zleg{f
bgctgbk kezg`dkb }grd l igrrik {zleg{f&:0;%
2% Mzlxdgrk gp {pkb lp l fcbkzlrcz rc pic} bc}e rdk agppgce ek{rzcep pc
rdlr l `dlge zkl`rgce gp flgerlgekb%
;% @cerzci zcbp ge rdk zkl`rcz lzk flbk ca `lbfg{f cz jczce% @cerzci zcbp
ljpczj ek{rzcep leb lzk rd{p ljik rc `cerzci rdk e{fjkz ca ek{rzcep
rdlr `l{pkp agppgce%
1% Rdk `dlge zkl`rgce) leb dke`k rdk rkfxkzlr{zk ca rdk zkl`rcz) `le jk
`dlemkb jw zlgpgem cz ic}kzgem rdk zcbp% Ge le kfkzmke`w) lii rdk zcbp
lzk ic}kzkb rc pd{r bc}e rdk zkl`rcz%
=% L p{jprlergli lfc{er ca dklr gp mkekzlrkb ge l e{`iklz zkl`rcz% @ccilerp
eczfliiw {pkb ge l e{`iklz zkl`rcz lzk kgrdkz `lzjce bgctgbk mlp cz
dklqw }lrkz%4% Rdk dklrkb `cciler aic}p gerc l dklr kt`dlemkz }dkzk `cib }lrkz gp
`ceqkzrkb gerc prklf lr qkzw dgmd xzkpp{zk%
7% Rdk prklf mkekzlrkb gp rdke {pkb rc bzgqk l r{zjgek rdlr ge r{ze bzgqkp l
mkekzlrcz rc xzcb{`k kik`rzg`grw%
<8% E{`iklz zkl`rczp lzk ke`icpkb ge rdg`n `ce`zkrk }liip rdlr lzk `cqkzkb
}grd l ilwkz ca iklb rc kep{zk plakrw%
<<% [ergi l bgpxcpli cz icem&rkzf prczlmk al`gigrw gp cxkzlrgceli) fcpr pxker
a{ki gp prczkb ge }lrkz xccip lr rdk zkl`rcz pgrk }dkzk gr }lp xzcb{`kb%Rdk }lrkz zkfcqkp ikarcqkz dklr mkekzlrkb jw rdk pxker a{ki leb pkzqkp
lp l zlbglrgce pdgkib rc xzcrk`r }cznkzp lr rdk pgrk%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 19/22
<8%; Xzcxkz Flelmkfker ca Zlbgcl`rgqk P{jprle`kp?
Flelmkfker ca E{`iklz ]lprk?
<% Zlbgcl`rgqk }lprk gp }lprk zkp{irgem azcf rdk fgegem ca zlbgcl`rgqk czk)
rdk xzcb{`rgce ca zkl`rcz a{ki flrkzglip) zkl`rcz cxkzlrgcep leb rdk {pk ca
zlbgcl`rgqk flrkzglip ge zkpklz`d) geb{przw) leb fkbg`gek%
:% Zlbgcl`rgqk }lprk gp eczfliiw `ilppgagkb lp ic}&ikqki) fkbg{f&ikqki cz
dgmd&ikqki }lprk) l``czbgem rc rdk lfc{er leb rwxkp ca zlbgcl`rgqgrw ge
rdkf%
0% Pge`k grp zlbgcl`rgqgrw xzkpkerp l pkzgkp dklird dllzb) bgpxcpgem ca p{`d
flrkzgli gp l mzklr xzcjikf%
Ic}&ikqki ]lprk?
<% Ic}&ikqki }lprk gp mkekzlrkb azcf dcpxgrlip) iljczlrczgkp leb geb{przgkp%
:% Gr `cfxzgpkp xlxkzp) zlmp) rccip) `icrdgem) agirkzp leb crdkz cjok`rp rdlr
`cerlge pflii lfc{erp ca fcpriw pdczr&igqkb zlbgcl`rgqgrw%
0% P{`d }lprk gp ecr blemkzc{p rc dlebik j{r f{pr jk bgpxcpkb ca fczk
`lzka{iiw rdle eczfli mlzjlmk%
2% Gr gp {p{liiw j{zgkb ge pdliic} ilebagii pgrkp% Rc zkb{`k grp qci{fk) gr gp carke
`cfxl`rkb cz ge`gekzlrkb ge l `icpkb `cerlgekz jkaczk bgpxcpli%
Gerkzfkbglrk&ikqki ]lprk?
<% Gerkzfkbglrk&ikqki }lprk `cerlgep dgmdkz lfc{er ca zlbgcl`rgqk leb flw
zk|{gzkb pxk`gli pdgkibgem%
:% Gr rwxg`liiw `cfxzgpkp zkpgep) `dkfg`li pi{bmk) leb zkl`rcz `cfxcekerp lp
}kii lp `cerlfgelrkb flrkzglip azcf zkl`rcz bk`cffgppgcegem%
0% P{`d }lprk flw jk pcigbgagkb ge `ce`zkrk ke`lpkb `cerlgekzp leb b{fx ge
rdk c`kle cz j{zgkb bkkx {ebkzmzc{eb%
Dgmd&ikqki ]lprk?
<% Dgmd&ikqki }lprkp zkakz rc dgmdiw zlbgcl`rgqk }lprk xkzfleker gpcilrgce
azcf fle‗p keqgzcefker rdlr lzgpkp lp l jw&xzcb{`r ca e{`iklz xc}kz
mkekzlrgce%
:% Dgmd&ikqki }lprk l``c{erp acz cqkz 7;+ ca rdk rcrli zlbgcl`rgqgrw xzcb{`k
ge l xzc`kpp ca e{`iklz kik`rzg`grw mkekzlrgce%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 20/22
0% P{`d }lprk gp dgmdiw zlbgcl`rgqk leb gr mkekzlrkp l `cepgbkzljik lfc{er ca
dklr% Gr lipc zk|{gzkp `ccigem lp }kii lp pxk`gli pdgkibgem b{zgem dlebigem
leb rzlepaczf%
2% Ga rdk }lprk gp zkxzc`kppkb) rdk pkxlzlrkb }lprk gp pcigbgagkb jw
ge`czxczlrgem gr gerc jczcpgig`lrk $Xwzkt' milpp) }dg`d gp pklikb gepgbk
prlgeikpp prkki `legprkzp acz kqker{li bgpxcpli bkkx {ebkzmzc{eb%
Dllzbp ca Zlbglrgce?
<% Zlbgcl`rgqk kfgppgcep lzk xcrkergliiw qkzw dllzbc{p lp rdkw `le blflmk
cz kqke ngii igqgem `kiip%
:% Ktxcp{zk rc dgmd ikqkip ca kfgppgcep `le jk alrli%
0% Ic}kz ikqki ca ktxcp{zk flw `l{pk zlbglrgce j{zep rdlr `le jk qkzw
xlgea{i leb iklb rc pczkp leb jigprkzp%
2% @cerge{c{p ktxcp{zk rc zlbgcl`rgqk kfgppgcep flw `l{pk pkzgc{p bkilwkb
kaak`rp p{`d lp `le`kz leb `kii f{rlrgcep) }dg`d flw jk xlppkb ce rc
a{r{zk mkekzlrgcep%
;% Mlffl zlwp lzk rdk fcpr blemkzc{p lp rdkw `le xkekrzlrk bkkx gerc rdk
jcbw% Lixdl xlzrg`ikp lzk prcxxkb jw c{z pnge j{r `le jk`cfk dllzbc{p ga
lixdl&kfgrrgem p{jprle`kp lzk rlnke gerc c{z jcbw%
1% L e{`iklz ktxicpgce cz le l``gbker lr l e{`iklz xc}kz xiler `c{ib `l{pk l
pkzgc{p blemkz ca zlbglrgce dllzb%
=% Rdk kaak`rp ca le l``gbker flw zkl`d l }gbk lzkl ga l dgmd e{fjkz ca
zlbgcl`rgqk mlpkc{p p{jprle`kp leb zlbgcl`rgqk xlzrg`ikp lzk zkiklpkb gerc
rdk lgz%
4% Zlbglrgce dllzb pgr{lrgcep `le jk `l{pkb jw l``gbkerp rdlr c``{z b{zgem
rdk rzlepxczrlrgce ca zlbgcl`rgqk p{jprle`kp%
7% Le {exzcrk`rkb xkzpce ge rdk l``gbker xil`k flw) ge l pdczr rgfk) zk`kgqk
p{`d l mzklr zlbglrgce bcpk rdlr gr dlp le gffkbglr k kaak`r ce rdk xkzpce‗p
dklird%<8% L flppgqk bcpk ca zlbglrgce bkprzcwp flew `kiip leb `le jk rdk `l{pk ca
zlbglrgce giiekpp%
<<% Ge rdk kqker ca l e{`iklz ktxicpgce) xkcxik `le mkr pwfxrcfp ca l
zlbglrgce giiekpp kqke lr l bgprle`k ca l ak} d{ebzkb ngicfkrzkp azcf rdk
ic`lrgce ca rdk e{`iklz ktxicpgcep%
7/23/2019 Physics Form 5 Chapter 5
http://slidepdf.com/reader/full/physics-form-5-chapter-5 21/22
Plakrw Xzk`l{rgcep?
<% Lii zlbgcl`rgqk p{jprle`kp dlqk rc jk nkxr ge iklb `cerlgekzp }grd }liip ca
l ak} `kergfkrzkp rdg`n% P{`d `cerlgekzp f{pr jk iljkiikb ’Zlbgcl`rgqk
Pc{z`k‖ rcmkrdkz }grd rdk xzkpke`k ca rdk gerkzelrgceli zlbglrgce pwfjci%:% ]kln zlbgcl`rgqk pc{z`kp `le jk xg`nkb {x {pgem r}kkkzp%
0% Przcem leb blemkzc{p pc{z`kp dlqk rc jk dlebikb {pgem zkfcrk `cerzci
k|{gxfker rdzc{md l iklb&milpp p`zkke%
2% Rdg`n iklb pdgkibp pdc{ib jk geprliikb jkr}kke przcem zlbgcl`rgqk pc{z`kp
ge {pk leb rdk zlbglrgce }cznkzp%
;% Zlbglrgce }cznkzp dlqk rc }klz pxk`gli xzcrk`rgqk icrdgem leb micqkp%
Rdkw lipc dlqk rc }klz agif jlbmkp rc nkkx rzl`n ca rdk zlbglrgce bcplmk
rdkw dlqk zk`kgqkb%
1% Mzklr `lzk dlp rc jk rlnke ge bgpxcpli ca e{`iklz }lprk) kpxk`gliiw dgmd&
ikqki }lprk) lp gr `cerlgep rdk dgmdiw zlbgcl`rgqk agppgce xzcb{`r leb pcfk
dklqw kikfkerp }grd icem&igqkb zlbgcl`rgqgrw%
[pgem E{`iklz Kekzmw lp Le Lirkzelrgqk Aczf ca Kekzmw?
<% Fcbkze pc`gkrw zkigkp dklqgiw ce acppgi a{kip p{`d lp cgi) elr{zli mlp leb
`cli acz grp kekzmw p{xxigkp%
:% Lp rdk ljcqk pc{z`kp lzk ece&zkek}ljik) rdkw lzk ignkiw rc z{e c{r ge l
flrrkz ca rgfk) xzcjljiw jw rdk keb ca rdk ektr `ker{zw cz kqke klzigkz%
0% Ktgprgem lirkzelrgqk pc{z`kp ca kekzmw p{`d lp dwbzckik`rzg` xc}kz) pcilz
kekzmw) }geb leb rgbli xc}kz }gii ecr jk p{aag`gkeriw bkqkicxkb rc jk ca
}gbkpxzklb {pk%
2% Gr lxxklzp rdlr rdk pci{rgce rc rdk }czib‗p a{r{zk kekzmw pdczrlmk igkp }grd
e{`iklz xc}kz jk`l{pk zkpkzqkp ca {zleg{f }gii ilpr acz d{ebzkbp cz kqke
rdc{plebp ca wklzp%
;% Rdk xzcjikf }grd e{`iklz xc}kz gp rdk xcrkergli dllzb rc rdk plakrw leb
dklird ca rdk x{jig` jk`l{pk e{`iklz zlbglrgce fgmdr ikln b{zgem lel``gbker%
1% P{xxczrkzp ca e{`iklz xc}kz `cerkeb rdlr gr gp rdk ceiw pci{rgce rc rdk
}czib‗p a{r{zk kekzmw pdczrlmk leb lzm{k rdlr rdkzk lzk lbk|{lrk plakrw
aklr{zkp j{gir gerc lii e{`iklz zkl`rczp rc `cerlge lew l``gbkerp rdlr flw
c``{z%
=% Rdk cxxcekerp ca e{`iklz xc}kz plw rdlr e{`iklz xc}kz `ceprgr{rkp le
{el``kxrljik dllzb rc rdk x{jig`% Rdkw flgerlge rdlr e{`iklz xc}kz gp
{eek`kpplzw leb rdlr lii a{r{zk kekzmw ekkbp `c{ib k fkr jw le ge`zklpgem{pk ca lirkzelrgqk kekzmw pc{z`kp leb jw `cepkzqlrgce%