01 1-1 1-2 1-3 1-4
physics 1-1 1-1 1900 1900 2
01 1. (1) (2) (3) 2. (1) (2) (3) 3. (1) (2) (3) (4) 4. (1) (2) (3) (4) (5) 5. (1) (2) 3
(Aristotle, 384~322B.C.) (Galileo Galilei, 1564~1642) g 1-1 (Issac Newton, 1642~1727) 1-2 1687 1704 4
01 1-1 (a) (b) 1-2 (a) (b) 5
(modern physics) X 1895 (Wilhelm Conrad Rontgen, 1845~1923) X 1-3 1896 (Henri Becquerel, 1852~1908) X 1898 1-4 X 6
01 1-4 1935 1897 (Joseph John Thomson, 1856~1940) (cathode-ray) (electron) (atomic physics) (nuclear physics) (Planck, 1858~1947) 1900 1-2 7
1-2 (Max Planck) (Albert Einstein) (Robert Millikan) (Ernest Rutherford) (Niels Bohr) (Louis de Broglie) (Werner Heisenberg) (Erwin Schrodinger) (Bethe) (Fermi) 1858~1947 1879~1955 1868~1953 1871~1937 1885~1962 1900 1905 1915 1911 1911 α 1912 1892~1987 1924 1901~1976 1932 1887~1961 1926 1906~ 1901~1954 1938 165 25 C 8
01 (International System of Units) SI 1. 1-3 1-3 SI Meter M Kilogram Kg Second s Ampere A Kelvin K Mole Mol Candela cd 2. 2 1-4 (1) SI (m)(kg) (s) SI MKS 9
(2) CGS (cm)(g)cgs MKS (3) FPS (foot) (pound) 1-4 SI Square meter m 2 Cubic meter m 3 Meter per second m/s 2 Meter per second square m/s 2 Hertz Hz Kilogram per cubic meter Kg/m 3 2 Newton N 1-1 468 1000 468 468 130 3600 10
01 1792 1 1-5(a) 1889 0 C 1 1-6(b) 1960 1650763.73 1 c 1983 1 299,792,458 (a) (b) 1-5 (a)(b) http://upload.wikimedia.org/wikipedia/commons/b/bb/platinum- Iridium_meter_bar.jpg SI (Kg) 1 1 4 C 1889 1 1-6 1-6 11
1 1 1 SI 1 86,400 1976 1 133(133Cs) 9,192,631,770 1-7 1-7 1. 2. 1-8(a) 13.6 1 3 6 1-8(b) 1 (mm) 12
01 13.65 13.6 5 13.6 (a) (b) 1-8 (a) 1 (b) 1 b a 10 1 a 10 b 6,370,000 6 6.4 10 6 6.37 10 10 1-5 1. M(mega)(10 6 ) 6 951 10 W 951MW 2. 6,370 10 3 m 6,370Km K(Kilo) (10 3 ) 2 3. 1.7 10 m 1.7cm c(centi) 2 (10 ) 13
3 4. 3.2 10 m 3.2mm m(milli) (10 3 ) m (meter) 1-5 10 12 T Tera 10 9 G Giga 10 6 M Mega 10 3 K Kilo 10 3 m mili 10 6 μ micro 10 9 n nano 10 12 p pico 10 15 f femto 14
01 ( ) 1. mm m (A) (B) (C) (D) ( ) 2. (A) (B) (C) (D) ( ) 3. 1 (mm) (Km) (A) (C) 1 10 2 3 (D) 1 10 1 10 6 (B) 1 10 4 ( ) 4. 0.002560 (A)7 (B)6 (C)4 (D)3 ( ) 5. A 48 B 50 (A)1% (B)2% (C)3% (D)4% ( ) 6. 90 (A)9 (B)25 (C)30 (D)360 m/s ( ) 7. M D (A)D (B)2D (C)4D (D)0.5D ( ) 8. (A) 8 3 10 6 3 10 (B) (D) 3 10 16 4 3 10 (C) 14 3 10 ( ) 9. 1 4 C CGS 1g/cm 3 MKS ( ) 10. (F ma) Kg/m 3 3 (A) 10 (B)1 (C)10 (D)10 3 (D)ML 2 T (A)MLT 2 (B) 2 MLT (C) 2 ML T 15
( ) 11. 40e 3 10 8 m/s (A)10 10 m (B)10 13 m (C)10 18 m (D)10 21 m ( ) 12. (A) (B) (C) (D) ( ) 13. SI (A) (B) (C) C (D) ( ) 14. (A)nm10 8 m (B)μm 6 10 m (C)Km10 3 m (D)Å 10 10 m ( ) 15. (A) (B) (C) (D) 1. (1) 0.000,000,000,000,004m = m (2) 900MHz= Hz 2. 800K 4G 3. SI 4. ETC 40 16
02 2-1 2-2 2-3
(motion) (kinematics) (dynamics) (Kepler) (Newton) 18
02 (position vector) 0r 2-1 r r (x,y,z) (2-1) r xi yj zk (2-2) i (1,0,0) x j (0,1,0) y k (0,0,1) z r r 2 2 2 r r x y z (2-3) 2-1 P r 19
r (x(t),y(t),z(t)) (2-4) r(t) x(t)i y(t)j z(t)k (2-5) t A r A t B r B t tb ta r A r B (displacement) Δr Δr r r (2-6) B A r ( x( t ),y( t )z(t, )) r B ( x( t B ),y( t B )z(t)), B A A A A ra ( x A,yA,z A) r B ( x B,y B,z B ) r A r B (2-6) x x x (2-7) B A y y y (2-8) B A z z z (2-9) B A r A r B r r (x x ) (y y ) (z z ) (2-10) 2 2 2 B A B A B A 20