explain about dimension on physics pengenalan tentang cakupan yang dibahas di fisika, pengenalan awal besaran, satuan dan ketidakpastian di fisika

1. Fisika
Nugroho Adi Pramono
nugnux@gmail.com
aravir-rose.blogspot.com
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2. Cakupan Fisika
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3. Cakupan Fisika
Sangat Besar
(Semesta)
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4. Cakupan Fisika
Sangat kecil
(pecahan proton)
Sangat Besar
(Semesta)
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5. Thursday, September 4, 14

6. 45 derajat perbesaran
1.000.000.000.000.000.000.000.000.000.000.000.
000.000.000.000
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7. Satuan
untuk menyatakan kuantitas
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8. Panjang
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9. Panjang
m
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10. Panjang Massa
m
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11. Panjang Massa
m kg
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12. Panjang Massa Waktu
m kg
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13. Panjang Massa Waktu
m kg s
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14. Panjang
• m, km, mm
• AU, tahun cahaya
• 12 inch= 1foot; 3 foot = 1yard
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15. • inch (in) = 1000 thou (th)
• foot (ft) = 12 inches
• yard (yd)= 3 feet
• chain (ch)= 22 yards
• furlong (fur)= 10 chains
• mile (mi)= 8 furlongs
• league (lea)= 3 miles
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16. • cable = 100 fathoms
• nautical mile = 10 cables
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17. • fluid ounce (fl oz)
• gill (gi)
• pint (pt)
• quart (qt)
• gallon (gal)
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18. Thursday, September 4, 14

19. Massa
• mg, gr, kg, lb
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20. • grain (gr)
• drcahm (dcr)
• ounce (oz)
• pound (lb)
• stone (st)
• quarter (qtr)
• hundredweight (cwt)
• ton (t)
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21. Waktu
• jiffy, ms, s.
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22. Thursday, September 4, 14

23. Dimensi
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24. Panjang Massa Waktu
m kg s
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25. Panjang Massa Waktu
m kg s
[L]
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26. Panjang Massa Waktu
m kg s
[L] [M]
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27. Panjang Massa Waktu
m kg s
[L] [M] [T]
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28. Turunan
• [kecepatan]=[L][T]-1
• [volume]=[L]3
• [kerapatan]=[M][volume]-1=[M][L]-3
• [percepatan]=[L][T]-2
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29. Pengukuran
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30. Ketidakpastian Pengukuran
Semua pengukuran yang kita lakukan tanpa pengetahuan tentang
ketidakpastian menjadi tidak berarti
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31. Penyajian hasil
Nilai pengukuran ± ketidakpastian
lebar meja = (5 ± .5) spidol,
(7±1)remote, (8±.5)remote
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32. Tak Berarti
Nilai pengukuran ± ketidakpastian
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33. Tak Berarti
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34. Penyajian hasil
10 ± 0.1
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35. Penyajian hasil
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36. Diameter
Jarum
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37. Diameter
Jarum
Penggaris
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38. Diameter
Jarum
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39. Diameter
Jarum
Jarum
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40. Diameter
Jarum
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41. Diameter
Jarum
Jangka Sorong
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42. Diameter
Jarum
Jangka Sorong
Mikrometer
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43. Operasi
• Penjumlahan
• 10±0.1 + 9±0.1 = 19±0.2
• 10±0.1 - 9±0.1= 1±0.2
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44. Operasi
• Penjumlahan
• x = y + z
• ∆x = ∆y + ∆z
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45. Operasi
• Perkalian
• 10±0.1 * 10±0.1 = 100±2
•
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46. Tugas
• Ukur berat badan anda
• Ukur panjang badan anda saat berdiri dan saat telentang, hitung
selisihnya
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