转动惯量测量实验报告(共7篇).doc

123.:1m = i (1)2amg C t=math=at/2trmftr - mf = ia = r22m(g - a)r - mf = 2hi/rt (2)mfma<<g2mgr = 2hi/ rt (3)rhtm3i332am C 1/trh32m = k1/ t (4)2k1 = 2hi/ grtm1/t222m C 1/tk1hrgk1 = 2hi/ gribr C 1/tmh3r = k2/ t 5k2 = (2hi/ mg)r1/trtr1/t1/21/2r1/tmhgk2 = (2hi/ mg)i.1. h2. 3.00cm20gh3. t5.0g5g5g35g4. .r-1/ti=1.78?10?3kg?m 2m-(1/t)2i=1.87?10?3kg?m2.r-1/ti=1.78?10m-1/ti=1.87?10?3kg?m2. 2?3kg?m;2.1234aa<<g .1. 10012010091100242010091100592010091100191. 2. k3. 12 3 4 5hld-th-ii0.001ms1. 1 23 mb mk 1 k mii? ?2?m 2?k,12 d2?k2? 3?2idtacos(t) 4at?2?2?i5 k5ikk32. k 1t052t1533. 4mioxi=icmx2(6) k1 23t04t1 5t2 21t325.0010.0015.0020.0025.00ts=ks= =0.000058 s=0.00115s=0.5773t0=1.04140.000058kg* =0.01k=0.0192760.01kg*i2=0.01 kg*= 1.61836* kg*e=30.4% 2.-1(1)22122233241234+5 :0.01s 1 231212310.01s20234()1m = i (1) 2amg C t=math=at/2trmftr - mf = ia = rm(g - a)r - mf = 2hi/rt(2)mfma<<g mgr = 2hi/ rt(3)rhtm3i3 3am C 1/trh3m = k1/ t(4)k1 = 2hi/ grtm1/t2222222m C 1/tk1hrgk1 = 2hi/ gribr C 1/tmh3r = k2/ t5k2 = (2hi/ mg)r1/trtr1/tr1/tmhgk2 = (2hi/ mg)i a. bac. 1. h2. 3.00cm20gh 3.t5.0g1/21/2225g5g35gn 4. 1m-1/t22r1/t-131006231-dh4601j?r2dm j?ri2?mi11. ,2. oooo i0=t02m0grr/42h0m0rrh0togg=9.788m/s2moot1hooi1=t12(m0+m)grr/42h hh0 :i=i1i0-=(t12 (m0+m)- t02m0)grr/42h0oo?1. (1) dh4601 n = 30 ()2n + 1()n 50250+1=101 (2) 50 ()n ,()50(3) 30 2. 12a3()4 a b r r r=a/3,r=b/3 5ho 6ooto ()5(n = 50)7t1 t1 8()1mo= m= ho= 2 ooi i=i1i0-=(t12 (m0