The faduwar kyauta da jifa a tsaye sun ƙunshi ƙungiyoyi biyu na tsaye a tsaye, waɗanda aka sifanta ta wannan hanyar ta hanyar keɓance fifikon bin sawu ɗaya daga sama zuwa ƙasa (a cikin yanayin faɗuwar kyauta) kuma daga ƙasa zuwa sama (a yanayin jifa na tsaye). Ana kiran su da 'yanci saboda ba su da wani ƙarfin gogayya, wato, saboda ana ɗaukar su a taƙaice cewa ana aiwatar da su a cikin wani wuri. Sauƙin waɗannan ƙungiyoyi biyu, saboda rashin ƙarfin juriya, ya sa su zama ɗaya daga cikin na farko da suka shiga ilimin kimiyyar jiki, gama gari a makarantun sakandare. A cikin darussan da ke da alaƙa da waɗannan motsi guda biyu, nauyi ko nauyi ba su da hannu, kuma gaskiyar cewa ba a la'akari da gogayya yana nufin cewa sifar wayar da ke tashi ko faduwa ba ta da mahimmanci.
Jigon cikin faduwar kyauta da jifa a tsayeshi ne cewa suna cikin rukunin jiki na motsi na madaidaiciya, iri ɗaya iri ɗaya. Wannan yana nufin cewa, kamar yadda aka bayyana, suna bin hanya guda, waɗanda basa bin ta da sauri guda ɗaya amma tare da hanzari guda ɗaya: ana kiran wannan hanzarin nauyi, girman da yake a doron ƙasa kusan mita 9.8 a sakan ɗaya, ga kowane daƙiƙa.
( *) An lissafa ta lissafi, shine 9.8 M / S2, kuma an yi bayanin gwargwadon yadda farawa daga matsayi na farko, a cikin kowane daƙiƙi saurin zai kasance mita 9.8 a sakan na biyu (ma'aunin saurin) mafi girma.
Yayin da kaddarorin zahiri na motsi biyu suna kama, sun bambanta a wasu halaye. Sai kuma manyan bambance -bambance tsakanin faduwar kyauta da jifa a tsaye:
- A cikin faɗuwar kyauta, an ba da izinin jiki ya faɗi da yardar kaina daga hutawa ba tare da an jefa shi ta kowace hanya ba, don haka ana ɗaukar saurin farko daidai da 0.
- A cikin harbi na tsaye, a gefe guda, ana aiwatar da motsi daga ƙasa zuwa sama tare da saurin farko, inda a kan hanyar hawa motsi ya jinkirta kuma hanzarin yana ƙasa, kuma saurin zuwa sama. Saurin wayar hannu yana tsayawa har sai ya kai 0 a saman mafi girman tafiya, daga inda ake fara faɗuwar kyauta.
Jerin mai zuwa zai haɗa da wasu misalan faɗuwar kyauta da sauransu misalai na harbi a tsaye, motsa jiki tare da madaidaicin mafita wanda ke sauƙaƙa fahimtar su.
- Ana zubar da ƙwallo daga ginin, wanda ke ɗaukar daƙiƙa 8 kafin ya isa ƙasa. Yaya saurin kwalla ya buga kasa? Ƙuduri: Ci gaba a cikin hanzari na 9.81 M / S2 na daƙiƙa 8, wato yana bugun saurin 78 M / S.
- A darasin da ya gabata, menene tsayin ginin? Ƙuduri: An ƙidaya tsayin ginin a matsayin rabin hanzarta, sau sau murabba'in lokaci: a wannan yanayin, zai kasance (½ * 9.81 M / S2) * * (8S)2. Tsawon ginin shine mita 313.92.
- Wani abu yana faɗuwa cikin faɗuwa kyauta kuma yana kaiwa saurin 150 M / S. Tsawon wane lokaci aka ɗauka kafin a faɗi? Ƙuduri: Yana ɗaukar kusan daƙiƙa 15.
- Menene gudun ƙarshe na abu mai fadowa kyauta wanda ke farawa daga hutawa kuma ya faɗi na daƙiƙa 10? Ƙuduri: 98.1 M / S.
- A wata duniyar kuma, ana jefa wayar hannu kuma tana ɗaukar sakan 20 kafin ta isa ƙasa, inda ta isa da saurin 4 M / S. Menene hanzarin nauyi a wannan duniyar? Ƙuduri: Hanzarin akwai 0.2 M / S2.
- An harba makamin a tsaye sama tare da saurin farko na 25 M / S. Yaya tsawon lokacin da za a ɗauka don isa matakin ku na matsakaicin gudu? Ƙuduri: Sashe na 25 M / S, kuma yana asarar 9.81 kowane sakan. Saboda haka, zai ɗauki daƙiƙa 2.54 kafin a isa ƙasa.
- A cikin motsa jiki na baya, menene tsayi daidai da matsakaicin gudu? Ƙuduri: Ana ƙididdige tsayi kamar rabin saurin farko, ana ninka ta lokaci. Anan 12.5 M / S * 2.54 S = 31.85 mita.
- Ana jefa ƙwallo sama tare da saurin farko na 22 M / S. Menene saurin sa a sakan 2? Ƙuduri: 2.38 M / S.
- Tare da wane saurin farko dole ne a harba kibiya tsaye zuwa sama don kaiwa tsayin mita 110 a cikin dakika 5.4? Ƙuduri: Yayin da sauri ya ɓace, muna farawa daga ƙarshe kuma ana ƙara samfurin lokaci da nauyi: 110 M / S + 5.4 S * 9.81 M / S2 = 162.97 M / S.
- Yaya tsawon lokacin da wayar tafi da gidanka da aka jefa zuwa sama tare da saurin farko na 200 M / S ya zo don tsayawa cikakke? Ƙuduri: Yana ɗaukar sakan 20.39.
