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ijͬѧΪ̽嶯ܸıĹϵʵ

ʱ䣺2019-10-04

2016][][Ѽ21080PMP4-23G]M6۸ߣûijٰͼ1ںʵװãСM=0.20kgm=0.05kg

ͷСȻͨʱĵԴԴƵΪf=50Hzһֽ

Ѵµĵһ0Ȼȡɸ㣬ڼ仹4δ׿̶ȳ߲ø㵽0ֱΪd1=0.41md2=0.055md3=0.167md4=0.256md5=0.360md6=0.480m…ѹٶg=10m/s2ΪСܺ0㵽µ5W=

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ܴ˴ʵ̽Ľûܵõ“Ĺ嶯ܵ”ܴͨ˼Ϊԭ£ȷ{#blank#}3{#/blank#}˫ѡ⣩

1. ijѧϰС“̽ٶȱ仯Ĺϵ”ʵͼ1ʾͼСһƤµģľ廬УƤСĹΪW23…ȫͬƤһе2Ρ3…ʵʱÿʵƤ쳤ijȶһ£ÿʵСõٶȸݴʱֽϵĵм㣮

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ijͬѧʵ鲽£ƽMɳͰװϸɳɳͰ˶ôʱ¼˶ƽƳʱɳɳͰmڴʱֽȡ㣬ļLٶv1v2 ɳɳͰʾܵĺΪ˼СʵΪͼʾ»Ӧòȡһǣ{#blank#}2{#/blank#} ӦƵʵǣ{#blank#}3{#/blank#}

ѡһ㼣ֽ£֪ΪMɳɳͰΪm֮ʱΪTA㵽BCDEFľΪS1S2S3S4S5ͼδS3S4S5ɴ˿ֽB㵽EӦĹУɳɳͰĹW={#blank#}4{#/blank#}

û鶯ܸııʽΪEK={#blank#}5{#/blank#}֪ĸʾ

4. ijʵСΪ̽붯ܱ仯Ĺϵͼʾװ.ֱǽϵA㰲װһò쳤һΪ1.00 kgСCӣһƹСB(ԺԻִС)봫ӣBAȸߣBDΪˮƽο m.ʵУʹʼմڱֱ״̬СӾBD߸hɾֹʼͷţ¼仯ͼжֵΪF.ıhֵ¼ӦFȡHLhg9.80 m/s

1H0.60 mʱСΪ{#blank#}1{#/blank#} J˹Ϊ{#blank#}2{#/blank#} J

3ʵۣƵFH֮ĹϵΪ{#blank#}1{#/blank#}.

5. ǿͼ(a)ʾװ̽붯ܸıĹϵŹ̶ˮƽB㣬ƽĦСͰͨϸССϰװڹɹ롣ֽСϵĹСͰУʹСÿζͬһλAɾֹͷš

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2СͰСͰͰڹ֮mΪ꣬СBʱӦٶƽΪ꣬v

6. ijѧϰС“̽ٶȱ仯Ĺϵ”ʵͼʾͼСһƤµģľ廬УʱƤСĹΪW.23ȫͬƤһе2Ρ3……ʵʱ(ÿʵƤ쳤ijȶһ)ÿʵСõٶȸݴʱֽϵĵм.

1ʵУСܵĦãʹľʵбƽĦȷǣ___

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3ȷ£ijͬѧһֽͼʾʱΪ0.02sСAB֮Ϊ{#blank#}1{#/blank#}˶CD֮Ϊ{#blank#}2{#/blank#}˶С뿪ƤٶΪ{#blank#}3{#/blank#}m/s.

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