转动惯量数据处理空

1、r=2.00cm时的系统转动惯量

角加速度β2=4.187818π/s2

角减速度β1=-1.48815π/s2角减速度β1=-0.92892π/s2

6.24232410.Kg.m

-4

2

2、r=3.00cm时的系统转动惯量

角加速度β2=5.400846π/s2

3、系统转动惯量 J1=

[J1(r=2.00cm)+J1(r=3.00cm)]/2=

二.加载钢环的转动惯量的测定

1、r=2.00cm时角加速度β2和角减速度β1线性拟合图

θ/t (π/s)87698765432102、r=3.00cm时角加速

θ/t (π/s)54321000.511.52△t(s)2.500.5数据处理：

1、r=2.00cm时的系统转动惯量

角加速度β2=2.530753π/s

2

角减速度β1=-0.84589π/s

2

2、r=3.00cm时的系统转动惯量

角加速度β2=4.096001π/s2

角减速度β1=-0.66939π/s2

3、加载钢环系统转动惯量 J2=

[J2(r=2.00cm)+J2(r=3.00cm)]/2=

三.钢环的转动惯量的测定

1、钢环转动惯量(实验值) J-4

23=3.08245810.Kg.m2、钢环转动惯量(理论值) J3=3.3787510-4.Kg.m23、钢环转动惯量的百分偏差=

8.77%

10-4.Kg.m

2

9.32478

0一.系统转动惯量的测定1、r=2.00cm时角加速度β计时次数1θ1πt0.278θ/t(π/s)3.5971222、r=2.00cm时角减速度β计时次数12θ12πt1.783△tθ/△t(π/s)3、r=3.00cm时角加速度β计时次数1θ1πt0.261θ/t(π/s)3.8314184、r=3.00cm时角减速度β计时次数6θ6πt0.998△tθ/△t(π/s)5、r=2.00cm时角加速度β计时次数1θ1πt0.428θ/t(π/s)2.3364496、r=2.00cm时角减速度β计时次数12θ12π2的实验数据232π3π0.4910.6744.073324.4510391的实验数据131413π14π1.8861.990.1030.2079.7087389.6618362的实验数据232π3π0.4510.6194.434594.8465271的实验数据787π8π1.1061.2090.1080.2119.2592599.4786732的实验数据232π3π0.7250.9722.7586213.086421的实验数据131413π14π45674π5π6π7π0.8340.981.1141.244.7961635.1020415.3859965.645161516171815π16π17π18π2.0972.2052.3152.4260.3140.4220.5320.6439.554149.4786739.3984969.33126454π5π0.7850.8845.0955415.656109910119π10π11π1.3141.421.5280.3160.4220.539.4936719.4786739.4339621212π1.6380.649.37545674π5π6π7π1.1841.7361.551.7143.3783782.8801843.8709684.084011515π1616π1717π1818πt2.412△tθ/△t(π/s)7、r=3.00cm时角加速度β计时次数1θ1πt0.33θ/t(π/s)3.0303038、r=3.00cm时角减速度β计时次数6θ6πt1.231△tθ/△t(π/s)2.5452.6792.8172.9553.0983.2410.1330.2670.4050.5430.6860.8297.5187977.4906377.4074077.3664837.288637.237642的实验数据23452π3π4π5π0.5670.76440.9351.093.5273373.9246474.2780754.5871561的实验数据7891011127π8π9π10π11π12π1.3641.4941.6271.7611.8982.0360.1330.2630.3960.530.6670.8057.5187977.6045637.5757587.547177.4962527.45342拟合图拟合图、r=3.00cm时角加速度β2和角减速度β1线性拟合图

△t(s)0.511.52J1(r=2.00cm)=5.34831210.Kg.mJ1(r=3.00cm)=7.13633510.Kg.m

-4

-4

-42

2

.Kg.m2

、r=3.00cm时角加速度β2和角减速度β1线性拟合图

△t(s).511.522.5J2(r=2.00cm)=9.08838210.Kg.mJ2(r=3.00cm)=9.56118210.Kg.m10.Kg.m

-4

2

-4

-42

2

8910118π9π10π11π1.3581.4711.5781.6825.8910166.1182876.3371366.539834192019π20π2.54412.6560.76110.8739.1972159.163803131415161718192013π14π15π16π17π18π19π20π1.751.8631.982.0972.2182.3412.4672.5940.7520.8650.9821.0991.221.3431.4691.5969.3085119.2485559.1649699.0991819.0163938.935228.8495588.771938910118π9π10π11π1.8662.0122.14492.2814.2872454.4731614.6622224.8224461919π2020π3.3883.5370.9761.1257.1721317.111111131415161718192013π14π15π16π17π18π19π20π2.1772.322.4662.6142.7652.9193.0763.2350.9461.0891.2351.3831.5341.6881.8452.0047.3995777.3461897.2874497.2306587.1707957.1090057.046076.986028