Fisiks ea Sekolo se Phahameng

Molao oa Pele oa Newton e bolela hore ntho e 'ngoe le e 'ngoe e phomotseng e tla lula e phomotse kapa ... kapa e phomotse ... bermotsamao o ts'oanang o otlolohileng e tla tswela pele ho tsamaya moleng o otlolohileng ka lebelo le sa fetoheng haeba matla ohle, a tsejoang hape e le matla a hlahang a sebetsang nthong, a lekana le lefela. Polelo ya dipalo ya molao wa pele wa Newton:
Nahana ka ntho e u potileng, joalo ka tafole, lefika, kapa eng kapa eng e 'ngoe. Tafole e phomotseng e tla lula e phomotse ntle le haeba e suthisitsoe kapa e laoloa ke matla a kantle, joalo ka ho sutumetsoa kapa ho huloa. Ho joalo le ka lintho tse ling tse phomotseng.

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Mehlala e 8 ea Lipotso tsa Molao oa Bobeli oa Newton

1. Ntho e boima ba 1 kg e tsamaya ka lebelo le sa fetoheng la 5 m/s²Matla a hlahang a tsamaisang ntho a maholo hakae?
Puisano
Hoa tsebahala :
Boima ba ntho (m) = 1 kg
Ho potlaka (a) = 5 m/s²
E botsitsoe : matla a hlahang a tsamaisang ntho

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Mehlala e 9 ea Lipotso tsa Matla a Tloaelehileng

1. Boloko bo phomotse holim'a sebaka se bataletseng. Boima ba boloko (m) = 1 kg, ho potlaka ka lebaka la matla a khoheli (g) = 10 m/s²Boholo le tataiso ea matla a tloaelehileng (N) ke...
Puisano

Hoa tsebahala hore :

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Mehlala e 6 ea Lipotso tsa Matla a Khohlano

1. Boloko bo boima ba 1 kg bo phomotse hodima bokahodimo bo bataletseng bo bataletseng. Koefficient ya kgohlano e sa fetoheng ke 0,4 mme lebelo le bakwang ke matla a khoheli ke 10 m/s.²Fumana (a) boholo ba matla a khohlano a sa fetoheng (b) matla a fokolang a ho thaepa F e le hore boloko bo qale ho sisinyeha!
Puisano
Hoa tsebahala :

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Mehlala e 3 ea lipotso tsa matla a khoheli

1. Ntho e na le boima ba 1 kg. Haeba lebelo le bakoang ke matla a khoheli = 10 m/s², ntho eo e boima bo bokae?
Puisano
Hoa tsebahala :
Boima ba ntho (m) = 1 kg
Ho potlaka ka lebaka la matla a khoheli (g) = 10 m/s²
E botsitsoe Boima ba ntho (w)
Jawab :

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Mehlala e 4 ea lipotso tsa ho potlakisa ka angular le ho potlakisa ka tangential

1. Lebili le nang le radius ea 30 cm le potoloha ka lebelo le sa fetoheng la 5 rad/s². Ho potlaka ha ntlha e shebaneng le lebili ho hoholo hakae (a) 10 cm ho tloha ho e leketlileng (b) 20 cm ho tloha ho e leketlileng (c) pheletsong ya lebili?
Puisano

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Mehlala e 7 ea lipotso tsa ho potlakisa bohareng

1. Lejoe le tlangwa thapong ebe le potoloha ka ho otloloha ho fihlela lejoe le potoloha ka sekhutlo sa 360°.^o motsotsoana o mong le o mong. Haeba bolelele ba thapo e le 20 cm, fumana boholo ba lebelo la bohareng ba ntho!
Puisano
Hoa tsebahala :
Lebelo la Angular (ω) = 360^o/motsotswana = potoloho e le 1 / motsotswana = 6,28 radians/motsotswana
Bolelele ba thapo = radius (r) ea tsela e chitja = 20 cm = 0,2 metres
E botsitsoe : ho potlakisa bohareng ba pelo (a_s)

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Mehlala e 5 ea lipotso tsa lebelo la angular le lebelo la tangential

1. Bolo e tlangwa ka thapo e bolelele ba limithara tse 2 ebe e potoloha ka selikalikoe se otlolohileng ho fihlela bolo e tsamaea ka lebelo le sa fetoheng la li-radian tse 10/motsotsoana. Fumana boholo ba lebelo la tangential la ntlha e leng (a) limithara tse 0,5 ho tloha ho axis (b) limithara tse 1 ho tloha ho axis (c) moeling oa lebili.
Puisano
Hoa tsebahala :
Bolelele ba thapo = radius ea tsela e chitja (r) = limithara tse 2
Lebelo la Angular = 10 radians/motsotsoana
E botsitsoe : lebelo la tangential la ntlha ho (a) r = 0,5 metres (b) r = 1 meter (c) r = 2 metres
Jawab :

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Mehlala e 7 ea motsamao o chitja o fetohang ka ho lekana

1. Propeller e phomotseng qalong, e potoloha ka lebelo le sa fetoheng la 2 rad/s.²Fumana lebelo la angular le lebelo la angular la propeller metsotsoana e 2 hamorao. Li hlalose ka li-radian le metsotsoana.
Puisano
Hoa tsebahala :
E botsitsoe : ho potlaka ha angular le lebelo la angular kamora metsotsoana e 2

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Mehlala e 11 ea Mathata a ho Tsamaea ka Tsela e Tšoanang

1. Phatsa e tsamaya ka sedikadikwe ka lebelo le sa fetoheng la di-rad/s tse 10. Fumana (a) lebelo le sa fetoheng la phatsa kamora metsotsoana e 10 (b) sekhutlo se laolwang ke phatsa kamora metsotsoana e 10.
Puisano
(a) lebelo la angular kamora metsotsoana e 10

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