Ukusheshisa imisebe - izinkinga nezixazululo

Ukusheshisa imisebe - izinkinga nezixazululo

1. Yiliphi igrafu elingezansi elibonisa ubudlelwano phakathi kokusheshisa kwe-centripetal noma ukusheshisa kwe-radial (aR) kanye nesivinini esiqondile (v) ku ukunyakaza okujikelezayo okufanayo.

Ukusheshisa ngemisebe - izinkinga nezixazululo 1

Isixazululo:

Isibalo sokusheshisa kwe-radial:

Ukusheshisa ngemisebe - izinkinga nezixazululo 2

aR = ukusheshisa kwe-radial, v = ijubane eliqondile,r = ibanga ukusuka ku-axis yokujikeleza.

Sihlola ubudlelwano phakathi kokusheshisa kwe-radial (aR) ngejubane eliqondile (v) ukuze ibanga elivela ku-axis yokujikeleza (r) lihlale lingaguquguquki. Isibonelo, r = 1.

Ukusheshisa ngemisebe - izinkinga nezixazululo 3

2. Ibhola lijikeleza esitsheni esinobubanzi obuyimitha eli-1. Uma ijubane le-angular lingu-50 rpm, liyini ijubane eliqondile kanye nokusheshisa kwe-radial kwebhola?

Kwaziwa:

Ububanzi besiyingi (D) = 1 m

Irediyasi yesiyingi (r) = 0,5 m

Isivinini se-angular (ω) = 50 rpm = 50 revolutions / 1 minute

1 uguquko = 2π radian

Ukujikeleza okungu-50 = 50 (ama-radian angu-2π) = ama-radian angu-100π

Umzuzu owodwa = imizuzwana engama-60

Ijubane le-angular (ω) = ama-radians angu-100π / imizuzwana engu-60 = (10π/6) ama-radians/isekhondi

Kufunwa: Isivinini esiqondile (v) kanye nokusheshisa kwe-radial (aR)

Isixazululo:

Isivinini esiqondile (v):

v = r ω = (0.5)(10π/6) = 5π/6 m/s

Ukusheshisa kwe-radial (aR):

aR =v2/r = (5π/6)2 : 0.5 = 25π2/36 : 0.5 = (25π2/36)(1/0.5)

aR = (25π2/18) m/s2

3. Into ihamba ngesivinini esingaguquki u-v embuthanweni onerediyasi ka-R kanye nokusheshisa kwe-radial aRUma ukusheshisa kwe-radial kuba izikhathi ezimbili, khona-ke u-v uba izikhathi ezingu-……. kanye ne-radius iba izikhathi ezingu-…….

Bhekafuthi  Amasekethe e-capacitor achungechunge kanye nahambisanayo - izinkinga nezixazululo

Isixazululo:

Isibalo sokusheshisa kwe-radial:

Izinkinga zokusheshisa imisebe 4

Uma ukusheshisa kwe-radial (aR) = 1 bese kuba isivinini esiqondile (v) = 1 kanye nerediyasi (r) = 1 :

Izinkinga zokusheshisa imisebe 5

Uma ukusheshisa kwe-radial (aR) = 2 bese kuba isivinini esiqondile (v) = 2 kanye nerediyasi (r) = 2 :

Izinkinga zokusheshisa imisebe 6

Uma ukusheshisa kwe-radial kuba izikhathi ezimbili, khona-ke ijubane eliqondile (v) liba izikhathi ezimbili kanti i-radius yendilinga iba izikhathi ezimbili.

  1. Q: Kuyini ukusheshisa kwe-radial futhi kuhlobene kanjani nokunyakaza okujikelezayo? A: Ukusheshisa ngemisebe izinga lokushintsha kwejubane le-tangential ekuhambeni okujikelezayo. Kuhlala kuqondiswe enkabeni yendilinga, futhi ubukhulu bayo bunikezwa yi ,/r kuphi yijubane le-tangential, futhi iyindawo engaba yindilinga.
  2. Q: Kungani ukusheshisa kwe-radial kubizwa nangokuthi ukusheshisa kwe-centripetal? A: Ukusheshisa ngemisebe kubizwa ngokuthi ukusheshisa nge-centripetal ngoba igama elithi “centripetal” lisho “ukufuna indawo ephakathi.” Lokhu kusheshisa kuqondiswe enkabeni yendlela eyindilinga, okuchaza uhlobo lwamandla adingekayo ukugcina into ihamba kuleyo ndlela.
  3. Q: Ukusheshisa kwe-radial kushintsha kanjani uma i-radius yendilinga iphindwe kabili kuyilapho ijubane lihlala lingaguquki? A: Uma i-radius iphindwe kabili futhi ijubane lihlala lingaguquki, ukusheshisa kwe-radial kuzoncishiswa ngesigamu, njengoba kuhambisana ngokuphambene ne-radius.
  4. Q: Ingabe ukusheshisa kwe-radial kungenzeka ngokunyakaza okuqondile? Kungani noma kungani kungenjalo? A: Cha, ukusheshisa kwe-radial kubhekisela ngqo ekusheshiseni ngokunyakaza okujikelezayo. Akusebenzi ekunyakazeni komugqa oqondile ngoba akukho ukushintsha okuqhubekayo endleleni eya endaweni ephakathi eqondile.
  5. Q: Uma into iphumule endleleni eyindilinga, kuyoba yini ukusheshisa kwayo okuqondile? A: Uma into iphumule, ijubane layo eliqondile liyi-zero, futhi ngenxa yalokho, ukusheshisa kwayo okuqondile nakho kuzoba yi-zero.
  6. Q: Ukusheshisa kwe-radial (centripetal) kuhlobene kanjani namandla e-centrifugal? A: Ukusheshisa kwe-centripetal kuwukusheshisa kwangempela okuya enkabeni yendlela eyindilinga, kanti amandla e-centrifugal angamandla aqanjiwe abonakala esebenza ngaphandle uma ebhekwa ngohlaka lokubhekisela olujikelezayo. Ayalingana ngobukhulu kodwa aphambene ngendlela.
  7. Q: Kwenzekani ekusheshiseni kwe-radial uma ijubane lento ehamba endleleni eyindilinga liphindwe kabili? A: Uma ijubane liphindwe kabili, ukusheshisa kwe-radial kuzophindwa kane. Ukusheshisa kwe-radial kuhambisana nesikwele sejubane, ngakho-ke ukuphindwa kabili kwejubane kwandisa ukusheshisa ngesilinganiso sesine.
  8. U: Iyiphi indima edlalwa ukungqubuzana ekuhlinzekeni ukusheshisa kwe-radial emotweni ejikayo? A: Ukungqubuzana phakathi kwamathayi nomgwaqo kunikeza amandla aphakathi nendawo adingekayo ukuze kusheshiswe imisebe. Ngaphandle kokungqubuzana okwanele, imoto ngeke ikwazi ukushintsha indlela nokugcina indlela eyindilinga, futhi esikhundleni salokho izoqhubeka iqonde.
  9. Q: Kungenzeka yini ukuthi ukusheshisa kwe-radial kube kubi? Kungani noma kungani kungenjalo? A: Ukusheshisa ngemisebe kuhlale kuqondiswe enkabeni yendilinga, ngakho-ke kuchazwa njengokuhle kuleyo ndlela. Akunakuba kubi ngoba indlela yokusheshisa ngemisebe ngokwencazelo iqondiswe enkabeni yendilinga.
  10. U: Amandla adonsela phansi anegalelo kanjani ekusheshiseni kwemisebe uma kwenzeka izinto zasezulwini ezifana namaplanethi azungeza ilanga? A: Uma kwenzeka amaplanethi azungeza ilanga, amandla adonsela phansi phakathi kwalezi zidumbu ezimbili asebenza njengamandla aphakathi nendawo, enikeza ukusheshisa kwe-radial okudingekayo ukugcina iplanethi isemjikelezweni wayo oyindilinga (noma cishe ojikelezayo). Amandla adonsela phansi agcina iplanethi ihamba ngendlela ezungeze ilanga, kunokuba ihambe ngendlela eqondile.