LAPORAN PRAKTIKUM
PERCOBAAN MELDE
ANGGOTA KELOMPOK :
ANDHIKA PRASETYO ELISA FREDERICA SIBURIAN FAHRANI FAHRANI WIDYA M. FATTAH ROMDHONI NABILA ADIDAY ADIDAYA NURITA DWI NURUL HAFSHAH HAFSHAH
KELAS XII IPA 1
SMAN 1 TAMBUN SELATAN Jl. Kebon Kelapa No.2 Tab!n Sela"an Kab!pa"en Be#a$% 1&'1( )(21* ++,2'-1, Ea%l: %n/o0$an"a$.ne" %n/o0$an"a$.ne" eb$%"e: eb$%"e: ""p:33444.$an"a$.ne"
I.
JUDUL PERCOBAAN Percobaan ini berj!" #Percobaan Me"!e$
II.
TUJUAN Tjan !ari %ercobaan ini ia"a& n'( ) *. Mennj((an +e"o,ban+ 'ran-er-a" -'a-ioner %a!a 'a"i. /. Men+e' Men+e'a&i a&i &bn+ &bn+an an an'ara ce%a' ce%a' ra,ba' +e"o,ba +e"o,ban+ n+ 01 !en+an !en+an +a2a +a2a (e'e+an+an (e'e+an+an 'a"i 0F1. 3. Men Menen' en'(a (an n ce%a' ce%a' ra,ba' ra,ba' +e"o,b +e"o,ban+ an+ %a!a %a!a 'a"i. 'a"i.
III.
ALAT DAN BA5AN *. Pen+ Pen++e +e'a 'ar4 r4 ibr ibra' a'or or /. Ka'ro" 3. Beban eban +an +an'n 'n+ 5. Mi-'ar 6. Ta"i a"i !en+an !en+an 'i+a 'i+a jenijeni- 2an+ 2an+ berb berbe!a e!a
I6.
DASAR TEORI Geloban7
7e"o 7e"o,b ,ban an+ + !i!e !i!e8in 8ini-i i-i(a (an n -eba+ -eba+ai ai ener ener+i +i +e'a +e'aran ran 2an+ 2an+ ,era, ,era,ba ba'. '. Da"a, Da"a, (e&i!%an -e&ari9&ari ban2a( oran+ ber8i(ir ba&:a 2an+ ,era,ba' !a"a, +e"o,ban+ a!a"a& +e'arann2a +e'arann2a a'a %ar'i(e"n2a; %ar'i(e"n2a; &a" ini -e!i(i' -e!i(i' 'i!a( benar (arena 2an+ ,era,ba' !a"a, !a"a, +e"o,b +e"o,ban+ an+ a!a"a& a!a"a& ener+ ener+ii 2an+ 2an+ !i%n2 !i%n2ai ai +e'aran +e'aran 'er-eb 'er-eb'. '. Dari Dari -ini -ini 'i,b" 'i,b" benar(an ,e!i, 2an+ !i+na(an +e"o,ban+ 'i!a( i(' ,era,ba'< %a!a&a" %a!a (en2a'aann2a 'erja!i a"iran air !i "a' 2an+ "a-. Menr' a"iran air !i"a' i' 'i!a( !i-ebab(ab o"e& +e"o,ban+ 'e'a%i "ebi& !i-ebab(an o"e& %erbe!aan -& %a!a air "a'. Ta%i Ta%i ,n+( ,n+(in in j+a j+a a(an a(an 'erja!i 'erja!i %er%in %er%in!a& !a&an an %ar'i( %ar'i(e" e" ,e!i, ,e!i,;; (e'i(a (e'i(a +e"o,b +e"o,ban+ an+ ,e"a"i ,e"a"i ,e!i, ,e!i, =a' +a- 2an+ 2an+ i(a'an i(a'an an'ar an'ar %ar'i( %ar'i(e"n2 e"n2aa -an+a' -an+a' "e,a& "e,a& ,a(a ,a(a -an+a' -an+a' !i, !i,n+ n+(i (in( n(an an %ar' %ar'i( i(e" e" !ara !ara 'er-eb 'er-eb' ' ber% ber%in in!a& !a& %o-i%o-i-ii (are (arena na 'er( 'er(en enaa ener ener+i +i +e"o,ban+. Wa"a %er%in!a&an %ar'i(e"n2a 'i!a( a(an bi-a ja& 'e'a%i -!a& bi-a !i(a'a(an ba&:a %ar'i(e" ,e!i, i(' ber%in!a&. 7e"o,ban+ ber!a-ar(an ,e!i,n2a !ibe!a(an ,enja!i / ,aca, ) • •
7e"o 7e"o, ,ban+ ban+ ,e(an e(ani( i( 2ai' ai' +e"o, e"o,ba ban+ n+ 2an+ an+ !a"a, a"a, %era %era, ,ba'an a'ann2 n2aa ,e,b'&(an ,e!i,. Con'o& +e"o,ban+ ,e(ani( a!a"a& +e"o,ban+ bn2i. 7e"o,ban+ e"e('ro,a+ne'i( 2ai' +e"o,ban+ 2an+ !a"a, %era,ba'ann2a 'i!a( ,e,b'&(an ,e!i,. Con'o& +e"o,ban+ e"e(ro,a+ne'i( a!a"a& +e"o,ban+ ca&a2a.
7e"o,ban+ ber!a-ar(an ara& ra,ba'n2a !ibe!a(an ,enja!i / ,aca, ) • •
7e"o,b 7e"o,ban+ an+ Lon+i' Lon+i'!i !ina" na" a!a"a& a!a"a& +e"o,b +e"o,ban+ an+ 2an+ 2an+ ara& ra,ba' ra,ba'n2 n2aa -ejajar -ejajar !en+an ara& +e'arn2a. Con'o&n2a a!a"a& +e"o,ban+ bn2i. 7e"o,ban+ Tran-er-a" a!a"a& +e"o,ban+ 2an+ ara& ra,ba'n2a 'e+a( "r!en+an ara& +e'arn2a. Con'o&n2a +e"o,ban+ ca&a2a.
Be-aran !a"a, +e"o,ban+ &a,%ir -a,a !en+an be-aran !a"a, +e'aran. Be-arann2a a!a"a& -eba+ai beri(' ini) • • • • •
Perio!e 0T1 a!a"a& ban2a(n2a ban 2a(n2a :a(' 2an+ !i%er"(an n'( -a' +e"o,ban+. Fre(en-i 081 a!a"a& ban2a(n2a +e"o,ban+ 2an+ 'erja!i !a"a, :a(' * -e(on. A,%"i'!o 0A1 a!a"a& -i,%an+an ,a(-i,, -a' - a' +e"o,ban+. Ce%a' ra,ba' 01 a!a"a& be-arn2a jara( 2an+ !i'e,%& +e"o,ban+ 'ia% -a'an :a('. Panjan+ +e"o,ban+ 0>1 a!a"a& jara( 2an+ !i'e,%& +e"o,ban+ !a"a, * %erio!e. A'a A'a be-arn2a jara( -a' b(i' -a' "e,ba&.
Per-a,aan 2an+ !i+na(an !a"a, +e"o,ban+ a!a"a& -eba+ai beri(' ) T ? '4n 8 ? n4' !an T ? *48 8 ? *4T
!i,ana ) T a!a"a& %erio!e 0-1 ' a!a"a& :a(' 0-1 n a!a"a& ban2a(n2a +e"o,ban+ 0(a"i1 8 a!a"a& 8re(en-i 0H=1 Un'( ,enen'(an ce%a' ra,ba' +e"o,ban+ !i+na(an %er-a,aan @ ? >.8 a'a ? >4T Di,ana ) > a!a"a& %anjan+ +e"o,ban+ 0,1 a!a"a& ce%a' ra,ba' +e"o,ban+ +e"o,ban+ 0,4-1 5UKUM MELDE
Bi"a -e'a- 'a"i !en+an 'e+an+an 'er'en' !i+e'ar(an -ecara 'er- ,ener- ,a(a a(an 'er"i&a' -a' ben'( +e"o,ban+ 2an+ ara& +e'arn2a 'e+a( "r- !en+an ara& ra,ba' +e"o,ban+; +e"o,ban+ ini !ina,a(an +e"o,ban+ 'ran-er-a". i(a (e!a jn+n2a 'er''%; +e"o,ban+ %a!a 'a"i i' a(an 'er%an'"9%an'" !an !a%a' ,en+&a-i"(an +e"o,ban+ -'a-ioner 2an+ 'a,%a( ber%a -i,%" !an %er' +e"o,ban+ a-a"(an !i%en&i )
2a(ni %anjan+ 'a"i 0L1 ,er%a(an (e"i%a'an bi"an+an b"a' !ari -e'en+a& %anjan+ +e"o,ban+n2a. Laj ra,ba' +e"o,ban+ !a"a, 'a"i ) !i,ana ) ? "aj %era,ba'an +e"o,ban+ 'a"i ,4!e' F ? 'e+an+an 'a"i N , ? ra%a' ,a--a "inier 'a"i (+4,
Bi"a +e"o,ban+ %a!a 'a"i i' ,e,%n2ai %anjan+ +e"o,ban+ " ,a(a 8re(en-i ibra'or 2an+ ,eni,b"(ann2a Ko,bina-i an'ara %er-a,aan 0/1 !an 031 !i-eb' %er-a,aan Me"!e; 2a(ni pan8an7 "al% )L* e9!pa#an #el%pa"an b%lan7an b!la" a9% $e"en7a pan8an7 7eloban7n;a 7eloban7n;a . Laj ra,ba' +e"o,ban+ !a"a, 'a"i ) !i,ana ) ? "aj %era,ba'an +e"o,ban+ 'a"i ,4!e' F ? 'e+an+an 'a"i N , ? ra%a' ,a--a "inier 'a"i (+4, Bi"a +e"o,ban+ %a!a 'a"i i' ,e,%n2ai %anjan+ +e"o,ban+ " ,a(a 8re(en-i ibra'or 2an+ ,eni,b"(ann2a Ko,bina-i an'ara %er-a,aan 0/1 !an 031 !i-eb' %er-a,aan Me"!e. i(a 'a"i 2an+ %anjan+n2a "; !iben'an+(an !an !iberi beban "e:a' (a'ro" -e%er'i +a,bar !i -a,%in+ -er'a jn+ A !i+e'ar(an 'er- ,ener-; ,a(a %a!a 'a"i a(an 'erben'( 'er ben'( +e"o,ban+ 'ran-er-a" 2an+ -'a-ioner 0!ia,1. Percobaan ini %er'a,a (a"i !i"a((an o"e& Me"!e n'( ,enen'(an ce%a' ra,ba' +e"o,ban+ 'ran-er-a" %a!a 'a"i.
Dari &a-i" %ercobaann2a Me"!e ,ene,(an (e-i,%"an ba&:a ce%a' ra,ba' +e"o,ban+ %a!a 'a"i a!a"a& ) be9ban%n7 l!9!$ en7an a#a9 #4a9a" "e7an7an "al% )<* be9ban%n7 "e9bal%# en7an a#a9 #4a9a" a$$a pe9 $a"!an pan8an7 "al% )= 1
6.
LANGKA5 KERJA *. S-n" S-n"a& a& %e"a' %e"a'an an -eba -eba+ai +ai beri(' beri(' )
/. Hi! Hi!%( %(an an %en+ %en++e +e'ar 'ar -e&i -e&in+ n++a +a 'erb 'erben en' '( ( +e"o +e"o,b ,ban an+ + -'a-io -'a-ione nerr -e%e -e%er' r'ii +a,b +a,ba' a' beri('. In8or,a-i ) n'( ,e,%ero"e& +e"o,ban+ -'a-ioner 2an+ 'er!iri !ari -i,%" !an %er'; !a%a' !i"a((an !en+an ,en+a'r 8re(en-i %en++e'ar 2an+ !i+n(an a'a ,en+ba & jara( %en++e'ar 'er&a!a% (a'ro" -eba+ai jn+ 'eri(a'. a'a( !ari -i,%" (e -i,%" 'er!e(a' -a,a !en+an -e'en+a& +e"o,ban+. i(a !i&i'n+ !en+an %er-a,aan λ
=
2 x
3. La((an La((an %"a %"a %ercobaan %ercobaan n'( n'( ,encari &bn &bn+an +an an'ara an'ara ce%a' ra,ba' ra,ba' +e"o,ban+ +e"o,ban+ %a!a 'a"i !en+an 'e+an+an 'a"i. La((an %ercobaan 2an+ -a,a -a ,a n'( e,%a' beban 2an+ berbe!a ,a--an2a. In8or, In8or,a-i a-i ) Percob Percobaan aan !i"a( !i"a((an (an !en+an !en+an cara ,en++a ,en++an'i n'i beban. beban. Ke,!i Ke,!ian; an; -e-ai(an -e-ai(an 8re(en-i 8re(en-i %en++e'ar %en++e'ar -a2a -a2a !i!a%'(an !i!a%'(an +e"o,ban+ -'a-ioner 2an+ %a"in+ ,!a& !ia,a'i.
Te+an+ e+an+an an 'a"i !i-eba !i-ebab(a b(an n (arena (arena beban beban +an'n +an'n+; +; -e&in+ -e&in++a +a be-ar be-ar 'e+an+a 'e+an+an n 'a"i F w mg =
=
5. La( La((a (an n %"a %"a %erc %ercob obaa aan n n' n'( ( ,enc ,encar arii &b &bn+ n+an an an'a an'ara ra jeni jeni-- 'a"i 'a"i 02an 02an+ + !in2a'a(an !en+an ,a--a %er -a'an %anjan+ 'a"i1 !en+an ce%a' ra,ba' +e"o,ban+. La((an %ercobaan n'( e,%a' jeni- 'a"i 2an+ berbe!a. In8or,a-i ) Ma--a %er -a'an %anjan+ 'a"i bi-an2a !in2a'a(an !en+an "a,ban+ μ → μ
=
m t
6. Ca'a'"a& Ca'a'"a& !a'a &a-i" &a-i" %ercobaan %ercobaan !a"a, !a"a, 'abe". 'abe". Ke,!ian; Ke,!ian; ba'"a& ba'"a& +ra8i( +ra8i( -e-ai -e-ai !en+an !en+an !a'a 2an+ !i%ero"e& !ari &a-i" %ercobaan.
6I.
DATA PENGAMATAN *. Da'a &a-i" &a-i" %ercobaan %ercobaan n'( n'( ,en!a%a'( ,en!a%a'(an an &bn+a &bn+an n an'ara ce%a' ce%a' ra,ba' ra,ba' +e"o,ban+ +e"o,ban+ !en+an 'e+an+an 'a"i. No
1 2 ,
Ma$$a Beban )#7*
Te7a n7an Tal%3 Tal%3 < )N*
Ja9a# S%p!l #e S%p!l )*
Pan8an7 Gelo ban7 )*
<9e#! en$% )5>*
Cepa" Raba" )3$*
m ;6 ;* ;*6
F ;6 *; *;6
x ;*66 ;/3 ;/
λ
f ;3G6 ;5 /5;*G/
v /6; 36;363 53;3*
;3*6 ;563 ;66
2
v
J!la S%p!l
G/6 *./6 *.6
6 5
Grafk F dengan v2 1.6
1.5
1.4 1.2 1 Tega eganga nga n tali ta li (F)
1
0.8 0.6 0.4
0.5
0.2 0 4 00
600
8 00
1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 80 0 2 0 0 0
Kuadrat Kecepatan (v2)
7ra8i( &bn+an an'ara 'e+an+an 'a"i 0 F 1 !en+an (a!ra' (ece%a'an 0v 0 v21
/. Da'a &a-i" &a-i" %ercobaan %ercobaan n'( n'( ,encari ,encari &bn+a &bn+an n an'ara jenijeni- 'a"i !en+an !en+an ce%a' ce%a' ra,ba' ra,ba' +e"o,ban+ Ja9a# S%p!l #e S%p!l )*
Pan8an7 Gelo ban7 )*
<9e#! en$% )5>*
Cepa" Raba " )3$*
x
λ
f
v
Ma$$ a Tal% )#7*
Pan 8an7 Tal% )*
mt
L
1
*95
* ;
;*95
;/3
;563
;5
36;366
2
*95
* ;3
G;/*95
;/
;5
6;*5
3;6
,
**93
* ;G
G;/6*95
;/5
;56
5;/*
5;
N o
m μ L =
2
v
*./6; *.555;5 5 *.G;
J! la S% p!l
6
7ra8i( &bn+an an'ara m !en+an (a!ra' (ece%a'an 0v 0 v21
L= 1!6 L= 1!3
L= 1
Grafk m dengan v2 0
0
0 Massa tali () ()
1 000
1100
1 20 0
1300
140 0
15 00
Kuadrat Kecepatan (v2)
1 60 0
17 00
Grafk µ dengan v2 0
0
0
"enis tali (#)
Kuadra t Kece Kecepata pata n (v2)
7ra8i( &bn+an an'ara 0 µ1 µ1 !en+an (a!ra' 2
6II.
(ece%a'an 0v 0v 1 PEMBA5ASAN a. Percob Percobaan aan n'( n'( ,en!a%a' ,en!a%a'(an (an &bn+a &bn+an n an'ara an'ara ce%a' ra,ba' ra,ba' +e"o,ban +e"o,ban+ + !en+an !en+an 'e+an+an 'a"i. R,-9r,- 2an+ !i+na(an ) F w =
=
mxg
v λ
f
=
v
=
√
FL mt
*. Perc Perco obaan baan (e9* e9* Panjan+ 'a"i 0L1 Ma-Ma--aa 'a"i 'a"i 0,'1 Ma--a beban 0,1 Te+an+an 'a"i 0F1 ara ara( ( -i, -i,% %" (e -i, -i,% %"" Panjan+ +e"o,ban+ 0 λ1 Ce%a' ra,ba'/ 0/1 Ce%a' ra,ba' 01
?*, ? *95 (+ ? ;6 (+ ? ;6 * ? ;6 N ? ;* ;*66 66 , ? ;3*6 , ? ;6 * ) ; * 95 ? G/6 ?
625 ? /6 ,4√ 625
Fre(en-i 0 f 1 ? /6 ) ;3*6 ? ;3G6 H= Fre(en-i -e&ar-n2a 6 H= /. Perc Perco obaan baan (e9/ e9/ Panjan+ 'a"i 0L1 Ma-Ma--aa 'a"i 'a"i 0,'1 Ma--a beban 0,1 Te+an+an 'a"i 0F1 ara ara( ( -i, -i,% %" (e -i, -i,% %"" Panjan+ +e"o,ban+ 0 λ1 Ce%a' ra,ba'/ 0/1 Ce%a' ra,ba' 01
?*, ? *95 (+ ? ;* (+ ? ;* * ? * N ? ;/ ;/3 3 , ? ;563 , ? * * ) ; * 95 ? */6 ?
1250 ? 36;366 ,4√ 1250
Fre(en-i 0 f 1 ? 36;366 ) ;563 ? ;5 H= Fre(en-i -e&ar-n2a 6 H=
3. Perc Perco obaan baan (e93 e93 Panjan+ 'a"i 0L1 Ma-Ma--aa 'a"i 'a"i 0,'1 Ma--a beban 0,1 Te+an+an 'a"i 0F1 ara ara( ( -i, -i,% %" (e -i, -i,% %"" Panjan+ +e"o,ban+ 0 λ1 Ce%a' ra,ba'/ 0/1 Ce%a' ra,ba' 01
?*, ? *95 (+ ? ;*6 (+ ? ;*6 * ? *;6 N ? ;/ ;/ , ? ;66 , ? *;6 * ) ; * 95 ? *6 ?
1875 ? 53;3* ,4√ 1875
Fre(en-i 0 f 1 ? 53;3* ) ;66 ? /5;*G/ H= Fre(en-i -e&ar-n2a 6 H=
b. Percobaan n'( ,en!a%a'(an &bn+an an'ara jeni- 'a"i !en+an ce%a' ra,ba' +e"o,ban+ R,-9r,- 2an+ !i+na(an ) F w m x g =
v λ
f
=
v
=
μ
=
=
√
FL mt
m t
*. Perc Perco obaan baan (e9* e9* Ma--a beban 0,1 ? ;* (+ Te+an+an 'a"i 0F1 ? ;* * ? * N Panjan+ 'a"i 0L1 ?*, Ma-Ma--aa 'a"i 'a"i 0,'1 ? *95 (+ Ma--a %er -a'an %anjan+ 'a"i ? * 95 ) * ? * 95 (+4, ara( -i,%" (e -i,%"01? ;/3 , Panjan+ +e"o,ban+ 0 λ1 ? ;563 , Ce%a' ra,ba'/ 0/1 ? * * ) * 95 ? */6 Ce%a' ra,ba' 01
?
1250 ? 36;366 ,4√ 1250
Fre(en-i 0 f 1 ? 36;366 ) ;563 ? ;5 H= Fre(en-i -e&ar-n2a 6 H=
/. Perc Perco obaan baan (e9/ e9/ Ma--a beban 0,1 ? ;* (+ Te+an+an 'a"i 0F1 ? ;* * ? * N Panjan+ 'a"i 0L1 ? *;3 , Ma-Ma--aa 'a"i 'a"i 0,'1 ? *95 (+ Ma--a %er -a'an %anjan+ 'a"i ? * 95 ) *;3 ? G;/3 * 95 (+4, ara( -i,%" (e -i,%"01? ;/ , Panjan+ +e"o,ban+ 0 λ1 ? ;5 , Ce%a' ra,ba'/ 0/1 ? * *;3 ) * 95 ? *555;55 Ce%a' ra,ba' 01
?
1444,44 ? 3;6 ,4√ 1444,44
Fre(en-i 0 f 1 ? 3;6) ;5 ? 6;*5 H= Fre(en-i -e&ar-n2a 6 H=
3. Perc Perco obaan baan (e93 e93 Ma--a beban 0,1 ? ;* (+ Te+an+an 'a"i 0F1 ? ;* * ? * N Panjan+ 'a"i 0L1 ? *;G , Ma-Ma--aa 'a"i 'a"i 0,'1 ? * *93 (+ Ma--a %er -a'an %anjan+ 'a"i ? * * 93 ) *;G ? G;/6 * 95 (+4, ara( -i,%" (e -i,%"01? ;/5 , Panjan+ +e"o,ban+ 0 λ1 ? ;53 , Ce%a' ra,ba'/ 0/1 ? * *;G ) * * 93 ? *G Ce%a' ra,ba' 01
?
1600 ? 5; ,4√ 1600
Fre(en-i 0 f 1 ? 5;) ;53 ? 5;/* H= Fre(en-i -e&ar-n2a 6 H=
Per'an2aan !an a:aban *. Dari Dari !a'a !a'a 2an+ 2an+ !i%e !i%ero ro"e "e&; &; (ecen (ecen!e !er rn+ n+an an a%a a%a 2an+ 2an+ !a%a' !a%a' !i'a !i'a8-i 8-ir( r(an an %a!a %a!a ,a--a beban !an ce%a' ra,ba' +e"o,ban+< Beri(an a"a-an. Dari !a'a 2an+ !i%ero"e& %a!a %ercobaan 2an+ (e9* -a,%ai %ercobaan 2an+ (e93; !a%a' !i'a8-ir(an ba&:a ,a--a beban cen!ern+ berban!in+ "r!en+an ce%a' ra,ba'. Ar'in2a -e,a(in be-ar ,a--a beban ,a(a ni"ai ce%a' ra,ba' a(an -e,a(in be-ar. Ha" ini 'erb('i ber!a-ar(an !a'a !ari %ercobaan %er'a,a; ,a--a beban ;6 (+ ce%a' ra,ba'n2a /6 ,4-. Pa!a %ercobaan (e!a; ,a--a beban !i'a,ba& ,enja!i ;* (+ ,a(a ce%a' ra,ba'n2a nai( -ebe-ar *;666 ,enja!i 36;666 ,4-. La" %a!a %ercobaa (e'i+a; ,a--a beban !inai(an ,enja!i ;*6 (+ ce%a' ra,ba'n2a nai( ,enja!i 53;3* ,4-. /. Ber! Ber!a-a a-ar( r(an an +ra8i +ra8i( ( &b &bn+ n+an an an'ar an'araa F !an /; &bn+an a%a 2an+ 'er!a%a' an'ara an'ara (e!a (e!a be-aran be-aran<< Ba+ai,a Ba+ai,a(a& (a& %er(ir %er(iraan aan r,-a r,-an n a'a 8or,"a 8or,"a 2an+ 2an+ -e-ai< Hbn+an (e-eban!in+an; !i,ana -e,a(in be-ar ni"ai F ,a(a ce%a' ra,ba'n2a -e,a(in 'in++i.
F v
2
3. Dari !a'a 2an+ 2an+ !i%ero"e& !i%ero"e&;; (ecen!ern+a (ecen!ern+an n a%a 2an+ 2an+ !a%a' !a%a' !i'a8-ir(an !i'a8-ir(an %a!a %a!a jeni'a"i !an ce%a' ra,ba' +e"o,ban+< Beri(an a"a-an. Dari Dari !a'a !a'a 2an+ 2an+ !i%e !i%ero ro"e "e&; &; jeni jeni-- 'a"i 'a"i 2an+ an+ !ia !iari riaa-i( i(an an cen! cen!er ern n+ + berban!in+ 'erba"i( !en+an ce%a' ra,ba' +e"o,ban+. Se,a(in (eci" ni"ai J; -e,a(in be-ar ni"ai ce%a' ra,ba'n2a. Ha" ini !a%a' !ib('i(an !en+an !a'a %ercobaan %er'a,a !ari ,a--a 'a"i !iba+i !en+an %anjan+ 'a"i ni"ai J ; (+4, ce%a' ra,ba'n2a 36;366 ,4-. Percobaan (e!a; ni"ai J 'rn ,enja!i ;G/3 (+4,ce%a' ra,ba'n2a nai( ,enja!i 3;6 ,4-. Percobaan (e'i+a; ni"ai J 'rn (e,ba"i ,enja!i ;G/6 (+4, ce%a' ra,ba'n2a nai( ,enja!i 5; ,4-.
5. Ber!a-a Ber!a-ar(a r(an n +ra8i( +ra8i( &b &bn+a n+an n an'ara an'ara J !an !an / ; &bn+an a%a 2an+ 'er!a%a' !i an'ara (e!a be-aran< Ba+ai,ana(a& %er(iraan r,-an a'a 8or,"a 2an+ -e-ai< Ber!a-ar(an +ra8i( &bn+an an'ara J !an /; &bn+an an'ara (e!a be-aran a!a"a& berban!in+ 'erba"i(. Se,a(in (eci" J ,a(a -e,a(in be-ar /. Per(iraan 8or,"a 2an+ -e-ai ) 1
μ
∼
1
mt
v
∼
2
v
2
L L mt
∼
v
2
6. An!ai(an An!ai(an r,-an r,-an 2an+ 2an+ !i%ero"e& !i%ero"e& %a!a %a!a no,or no,or / !an 5 !i+abn+( !i+abn+(an; an; r,-an r,-an a'a 8or,"a a%a(a& 2an+ !a%a' !i'"i-(an< F v L mt
2
∼
v
2
jika digabung , maka menjadi
v
2
=
FL mt
v
=
√
FL mt
G. Dari 'abe" 'abe" * !an / &i'n+ &i'n+"a& "a& be-ar (e-a"a&a (e-a"a&an n %en+(ra %en+(ran n 2an+ 'erja!i 'erja!i %a!a %a!a ,a-in+9,a-in+ %ercobaan. Percobaan %er'a,a Ja9a# S%p!l #e S%p!l )*
Pan8an7 Gelo ban7 )*
Pan8an7 7eloban7 )9!!$*
x
λ
(1'' (2,( (2&&
;3*6 ;563 ;66
/ ;3* ;5G ;665
Sel%$%
pe9?obaan an en77!na#an 9!!$
;6 ; ;5
Ke"%a#"el%"%an )$el%$% pe9 a$%l 9!!$ %#al% 1((@*
*;G* *;6/ ;/
Percobaan Ke!a
Ja9a# S%p!l #e S%p!l )*
Pan8an7 Gelo ban7 )*
x
λ
(2,
Sel%$% Pan8an7 7eloban7 )9!!$*
pe9?obaan an en77!na#an 9!!$
;563
;5G
;
(2(
;5
;5
(2
;56
;5
;6
Ke"%a#"el%"%an )$el%$% pe9 a$%l 9!!$ %#al% 1((@*
*;6/ *;5
6III 6III.. KESI KESIM MPULA PULAN N *. Hbn+an Hbn+an an'ara an'ara 'e+an+an 'e+an+an 'a"i !en+an !en+an ce%a' ra,ba' ra,ba' +e"o,ban +e"o,ban+ + %a!a 'a"i 'a"i a!a"a& -eban!in+. /. Hbn+an Hbn+an an'ara an'ara jeni- 'a"i 'a"i !en+an !en+an ce%a' ra,ba' ra,ba' +e"o,ban +e"o,ban+ + %a!a 'a"i 'a"i a!a"a& berban!in+ 'erba"i(. 3. Den+an Den+an !e,i(ian; !e,i(ian; ce%a' ra,ba' ra,ba' +e"o,ban+ +e"o,ban+ %a!a %a!a 'a"i ber+an'n ber+an'n+ + %a!a 'e+an+an 'e+an+an 'a"i 0F1; %anjan+ 'a"i 0L1 !an ,a--a 'a"i 0,'1.
DA
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