26
Mudah dan Aktif Belajar Fisika untuk Kelas X
,2 858D4C44F8?F?4A8F?4A8F74?4EF8+4F4GDK4
?8;4D8A4GGD4A748F8DAK4E4A:4F58E4D748F8D:4?4E54E4 7GGD74?4E4FG4AF4;GA64;4K4K4FGE85G4;?AF4E4A=47F8CG;
78A:4A58A7458D868C4F4AE4478A:4A868C4F4A64;4K4
T E
E8?44E4FGF4;GA 85G4;6BAFB;:4?4E44FK4A:58D58AFG64D48?
:4DEF8A:4;
F4;GA64;4K44F4G
C4DE84F4;4DF8D?8F4 7F8CAK4K4FGE8F4D
F4;GA64;4K474DCGE4F:4?4E8A:4A
8A:8F4;G=4D44F4;4D8CGE4F:4?4E74A74EGE4A54;I4=4D4 4F4;4D 8A:F4D CGE4F :4?4E 58D58AFG ?A:4D4A 7C8DD44A
75GFG;4AI4FGE8?44
=GF4F4;GA54:4F4;4DGAFG8A:F4D CGE4F:4?4E
c. Ukuran Waktu
A748F4;G54;I4E8?GDG;8;7GC4A74?4AF8D7D4F4E4FB 4D5BA =G?4; A8GFDBA 74?4 4FB 4D5BA 8A8AFG4A 4C44; L4F
F8DE85GF8A:4A7GA:D47B4F94F4GF744E4FGAF4D5BAF8D7D 4F4EA8GFDBA74ACDBFBA74F44AL4FF8DE85GF8?E94FEF45?
4AF8F4C=4=G?4;A8GFDBAAK4F74E8EG44F4G?85;AF4D5BA A44A8A=47D47B4F9
AF4D5BA74C4F8C8DF4;4A4A84744AE8?44
8AF 858?4;74?4I4FGE8BA74A;4AK474?4I4FG
E8BAA74=G:474C4F8A:8F4;G=G?4;EG4FGL4FD47B4F944A 8?GDG;8D;FGA:4AA774E4D4AC474I4FGC4DG;L4FD47B4F9
.4FGC4DG;474?4;I4FGK4A:7C8D?G4AEG4FGL4FD47B4F9GAFG 8?GDG;E854AK4E8F8A:4;54:4A74D=G?4;E8G?4E4?AK4I4FG
C4DG;74DEG?9GD
D47G
4D5BA58DFGDGFFGDGF474?4;
=4 ;4D74A
F4;GA54;4AL4FD47B4F9E44DG8?
I4FGC4DG;
?4DF4;GA
3 9,29
3,9,7 13
88 1-
Q G
0GCF8D
4FGDAGE
,D4AGE
8CFGAGE G?4A
4A878 4??EFB
B GDBC4
+F4A ;84
4C8FGE BA8
+8FE +F4A4
58DBA ,5D8?
D8? +DFBA
Perhatikan kembali Tabel 1.12, data perbandingan antarplanet Anda
dapat mengamati dari pemanfaatan penetapan waktu suatu fenomena
alam di antaranya adalah periode rotasi dan revolusi anggota tata surya.
Ingatlah
Sumber:
Planetary Sytem, 1996
27
Pengukuran dan Besaran
Tes Kompetensi Subbab
C
,70142.+23:1:29.4 E?4;FFFF58DGFA
4
? 5 : 6
: 6
EABFABF? =4
7 7KA87KA8:6 E 8
E? =4
9 :
: 6 4FG5BFB?AGA8D4?58DE
4?F8D
6 58D4C44;E5BFB?AG4AF8DE85GF=4
7AK4F44A74?46 74A
85G4;C8E4I4F
58D:8D478A:4A868C4F4A ABF 8D4C44; 868C4F4A C8E4I4F FG =4
7AK4F44A74?4 =4ABF? =4 4A58D?4D8A8CG;=4D4
74?4I4FGE
E874A:4A4F4D48A8CG;=4D4
K4D774?4 I4FGK4A:E448?4D4A44;K4A:?85;68C4F
8BD4A:FG4A:C4DD8A7BDBA:B5?74AGE4;4 K4A:7?4G4AAK4=BG?8K4F44AGE4;4F8DE85GF
74?48D:8D::6 E
4D44AF4D444DF474ABDBA:7C8DD44A E874A:4A5874I4FG4AF4D487G4BF4FG
=48D4C48??A:G=474A::4C87G4 BF4 F8DE85GF F8D?8F4 C474 ?AF4A: K4A: E44
8FGA=GFFK4A:8?58745G=GD
N 58D5874I4FG=4
+8AFG4A78AE74D58E4D4A58E4D4A58DGF 4 ?G4E
6 GE4;4 5 74K4
7 F84A4A A8D:CBF8AE4?74C4F7FG?E4A78A:4AC8DE444A
+4EE4C8D68C4F4A:D4HF4E74A FA::58A74+8AFG4A78AE8A8D:CBF8AE4?
Rangkuman
8A:GGD4A474?4;854A7A:4AA?458E4D4A K4A:7GGD78A:4A58E4D4AE8=8AEK4A:7F8F4C4A
E854:4E4FG4A 8F74C4EF4A74?4C8A:GGD4A7C8A:4DG;7G4
;4? K4FG 8E4?4;4A 74?4 85464 4?4F 74A 8F8D54F4E4AE4?4C4744?4F
?4FGGDK4A:7:GA44AGAFG8A:GGDC4A=4A: 74AF4D4AK4EF4D=4A:4EBDBA:74ADB8F8D
E8DGC ?4FGGDK4A:7:GA44AGAFG8A:GGD4EE4
74AF4D4AK4A8D464;4GE ?4FGGDK4A:7:GA44A8A:GGDI4FG7
4AF4D4AK4=4F4A:4A74AEFBCI4F6; ?4FGGDK4A:7:GA44AGAFG8A:GGD4DGE
?EFDK4FG4C8D88F8D 4CBD4A;4E?C8A:GGD4A58DG?4A:7FG?E4AE854:4
58DGF
Q 3
3 3 3
8E4?4;4A 74?4 C8A:GGD4A 74C4F 58DGC4 8E4?4;4AEEF84FE.4. ---74A8E4?4;
4A464 A:4C8AFA:474?4;E8G44A:4K4A:7C8DB?8;
74D;4E?C8A:GGD4A8A::GA44A4?4FGGD4F4G ;4E?C8D;FGA:4A
8E4D4A758744A8A=4758E4D4ACBB74A 58E4D4AFGDGA4A
8AEEG4FG58E4D4A8AGA=G4A64D458E4D4A F8DE85GFF8DEGEGAB?8;58E4D4A58E4D4ACBBAK4
Kata Kunci
• Sistem Satuan Internasional
• besaran pokok
• besaran turunan
• satuan standar
• dimensi
• atom
• proton
• neutron
• elektron
FG?4;E8545AK48FB78C8A74F44AI4FGC4DG;L4FD47B4F974 C4F8A8AFG4AGGDC4A::GA:D6;IBB7C474L44A68DA:7
0BDE;D8K4A:58DGGD5G?4A4F4GGD4A:?85;
F4;GA74CGA G4 4E64GJ 7 BD7BA8 D4A6E K4A: F8D8A4? 78A:4A ?GE4A
58DI4DA4AK4 7C8DD44A 58DGGD E8F4D F4;GA 4 GE4 8D4=44AB4IGAB474?4;?85;74D
F4;GA54A7A:4A78A:4A
GE45GF8C4FA7458DC=4K4A:EG74;8A64C4 F4;GA4F4G
?4DF4;GA 8?4AFGF8D74C4F=G:4 GG G55?8E854:4C8AKBBA:GF44
F8BD=4:47D4K4K4A:?4L7E85GF8AGDGFAK44?4E88EF4 F8D58AFGE8F4DT
F4;GAK4A:?4?G4AF8F4C4C4AF8D58AFG AK44?4E88EF4E864D44GD4F;4AK4+G;4A04A:4;4G4E4K4A:
8A:8F4;G78A:4AE8:4?4C8D;FGA:4AAK4
