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A. Hanyoyi & Misalai

talla

– Ƙayyade tsarin tunani:

+ cikakken tsarin tunani: shine firam ɗin da aka haɗe zuwa wani abu a tsaye

+ firam ɗin dangi: firam ɗin nuni da aka makala da abu mai wani abu mai motsi a cikinsa

– Sunan abubuwa:

+ lamba 1: abu mai motsi

+ lamba 2: abu yana motsawa ba tare da cikakken tsarin tunani ba

+ lamba 3: abu yana hutawa game da cikakken tsarin tunani.

– Ƙayyade adadin: v13; vna sha biyu; v23

Yi amfani da dabarar ƙara saurin gudu: v13 = vna sha biyu + v23

Lokacin a hanya guda: v13 = vna sha biyu + v23

Lokacin da aka juya: v13 = vna sha biyu – v23

Nisa: s = v13.t

Motsa jiki don nema

Darasi na 1: Babu iska, jirgin sama yana tashi daga aya M zuwa N a madaidaiciyar layi tare da v = 120 m/s a cikin awanni 2. Lokacin da aka dawo, an ɗauki sa’o’i 2 da minti 20 don tashi saboda iska. Ƙayyade saurin iska dangane da ƙasa.

Koyarwa:

Kira lambar 1 da aka haɗe zuwa jirgin sama; lamba 2: iska; lamba 3: kasa

Lokacin da jirgin ya tashi daga M zuwa N ba tare da iska ba: v23 = 0; v13 = 120m/s vna sha biyu = 120 m/s; s = MN = v13.t = 120.7200 = 864000 m

Lokacin tashi daga N zuwa M akan iska: Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Wani v13 = vna sha biyu – v23 v23 = vna sha biyu – v13 = 120 – 102.9 = 17.1 m/s

talla

Darasi na 2: Yana ɗaukar sa’o’i 2 kafin jirgin ruwa ya motsa ƙasa daga A zuwa B kuma sama daga B zuwa A yana ɗaukar awanni 3. Sa’o’i nawa zai ɗauki idan kwalekwalen ya kashe injin ɗin kuma ya yi yawo da ruwa daga A zuwa B? Sanin saurin kwalekwalen dangane da ruwa ya kasance mai dorewa yayin tafiya gaba da baya, gudun ruwan da ke gudana shima akai?

Koyarwa:

Bari gudun kwalekwalen dangane da ruwa ya zama v da gudun ruwan vlokacin gaba shine tna farkolokacin da sama ta ke t2lokacin da kwalekwalen ke ɗauka don tafiya daga A zuwa B shine t, kuma nisan AB shine s.

Muna da :

+ lokacin da ke ƙasa: s = (v + v).tna farko

+ lokacin sama: s = (v – v).t2

+ lokacin da kwale-kwalen ke yawo: s = v.t

Daga nan muna da: (v + v).tna farko = (v-v).t2 (t2 – tna farkov = (t2 + tna farko) v

Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Saboda haka: s = vt = (5v + v) tna farko

⇒t = 6tna farko = 12 h

Darasi na 3: Jirgin ruwa yana motsawa zuwa kogi mai nisan kilomita 1, jikin jirgin a koyaushe yana kan bakin kogi. Yana ɗaukar mintuna 15 kafin jirgin ya ketare kogin. Saboda ruwan da ke gudana, jirgin ya yi nisa da nisan mita 500 daga asalin matsayinsa. Yi ƙididdige saurin na yanzu, saurin jirgin ruwa dangane da ruwa, da saurin jirgin dangane da bakin teku?

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Koyarwa:

Bari saurin jirgin ruwan dangi da bakin teku ya kasance v13gudun jirgin ruwa dangane da ruwa vna sha biyuGudun ruwa dangane da bakin teku shine v23.

Dangane da dabarar ƙara saurin gudu, muna da: v13 = vna sha biyu + v23

A cikin abin da, da ferry gudun dangane da ruwa Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

gudun ruwa dangi zuwa gaci Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Tunda ko yaushe jirgin yana tafiya daidai da bakin kogi. vna sha biyu perpendicular v23. Saboda haka:

gudun jirgin ruwa dangi zuwa gaci

Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Darasi na 4: Jirgin ruwa yana motsawa da na yanzu tare da v = 7.5 km/h dangane da halin yanzu. Gudun ruwa zuwa bakin kogi shine 2.1 km / h. Menene gudun kwale-kwalen dangane da bakin kogi?

Koyarwa:

Bari gudun kwale-kwalen dangane da bakin teku ya kasance v13gudun jirgin ruwan dangane da ruwa vna sha biyuGudun ruwa dangane da bakin teku shine v23

Bisa ga dabarar ƙara saurin gudu: v13 = vna sha biyu + v23

A cikin wannan darasi, kwale-kwalen ya saba wa na yanzu:

v13 = vna sha biyu – v23 = 7.5 – 2.1 = 5.4 km/h

talla

Darasi na 5: Wani kogi yana da faɗin mita 100 kuma ruwan yana gudana a cikin gudun mita 3 / s dangane da bankin. Wani jirgin ruwa ya ketare kogin tare da gudun 4 m/s dangane da halin yanzu.

a. Yi lissafin saurin jirgin dangane da bakin kogi

b. Yi ƙididdige tazarar da jirgin ya yi lokacin da ya isa wancan gaɓar

c. Yaya nisa daga gangaren jirgin daga inda aka nufa?

Koyarwa:

Bari gudun kwale-kwalen dangane da bakin teku ya kasance v13gudun jirgin ruwan dangane da ruwa vna sha biyuGudun ruwa dangane da bakin teku shine v23batu A shine wurin da jirgin ya fara motsawa, batu B shine wurin da ake so jirgin ya isa, batu D shine wurin da jirgin ya isa.

Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Dangane da fitarwa, muna da:

v23 = 3 m/s

vna sha biyu = 4m/s

a. Bisa ga dabarar ƙara saurin gudu: v13 = vna sha biyu + v23

Amma vna sha biyu perpendicular v23

Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

b. Lokacin da jirgin zai yi tafiya daga A zuwa B daidai yake da lokacin da ya ɗauki jirgin daga A zuwa D: tna sha biyu = t13

Muna da: Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

AD = t13.v13 = 25.5 = 125 m

c. Bangaren da ake nema shine sashin BD

Muna da:

Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

B. Darussan zabi da yawa

Tambaya 1: Wani mai kallo a kasa yana ganin “Rana ta fito gabas ta fadi a yamma”, dalili kuwa shi ne:

A. Duniya tana juyawa daga gabas zuwa yamma da kanta

B. Duniya tana juyawa daga yamma zuwa gabas da kanta

C. Rana tana kewaya duniya daga gabas zuwa yamma

D. Rana tana kewaya duniya daga yamma zuwa gabas

Idan aka yi la’akari da motsin duniya a kusa da Rana da kuma jujjuyawar duniya a kusa da kusurwoyinta, amsa tambayoyi 2, 3, 4

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Aya ta 2: Matsayin da yake da mafi girman saurin nan take shine matsayin da yayi daidai da:

A. tsakar rana B. tsakar dare C. alfijir D. faɗuwar rana

Tambaya 3: Matsayin da mafi ƙanƙanta saurin saurin nan take shine matsayin da yayi daidai da:

A. tsakar rana B. tsakar dare C. alfijir D. faɗuwar rana

Tambaya 4: Wuraren da ke da daidai gwargwado saurin gaggawa sune wuraren da suka yi daidai da lokutan:

A. Tsakar rana da tsakar dare

B. tsakar rana da faduwar rana

C. fitowar alfijir da faduwar rana

D. babu irin wadannan mukamai

Tambaya ta 5: Motoci biyu A da B suna tafiya ta gaba da gaba da saurin v. A wane matsayi mai kallo zai sami kansa yana motsi da saurin 2v?

A. a kasa

B. a wata mota dake gudu akan hanya

C. A wata mota motsi da gudu v perpendicular zuwa sauran biyun

D. Dukansu amsoshin A da B daidai suke

Jirgin ƙasa yana tafiya a madaidaiciyar layi tare da v = 10 m/s dangane da ƙasa. Mutum yana tafiya a kan bene tare da gudun 1 m/s dangane da jirgin. Ƙayyade saurin mutumin dangane da ƙasa a cikin shari’o’in cikin jimloli 6, 7, 8:

Tambaya 6: Mutane da jiragen ruwa suna tafiya a hanya guda:

A. 10 m/s B. 11 m/s C. 1 m/s D. 9 m/s

Lokacin a hanya guda: v13 = vna sha biyu + v23 = 11m/s

Aya ta 7: Mutane da jiragen ruwa suna tafiya a wurare dabam-dabam:

A. 10 m/s B. 11 m/s C. 1 m/s D. 9 m/s

Lokacin da aka juya: v13 = v23 – vna sha biyu = 9m/s

Aya ta 8: Mutane da jiragen ruwa suna tafiya a kusa da juna:

A. 10.5 m/s B. 11 m/s C. 10.05 m/s D. 9 m/s

Lokacin da aka karkata: Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Aya ta 9: Kwalekwalen da ke gudana kai tsaye daga kogin A zuwa B mai nisan kilomita 36 yana ɗaukar sa’o’i 1.5. Gudun rafi shine 6 km / h. Gudun kwalekwalen dangane da na yanzu shine:

A. 18 m/s B. 6 km/h C. 12 km/h D. 18 km/h

Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Lokacin da ke ƙasa: v13 = vna sha biyu + v23 vna sha biyu = 24 – 6 = 18 km/h

Tambaya ta 10: Jirgin ruwa yana motsawa daga ƙasa daga M zuwa N sannan daga sama daga N zuwa M na tsawon sa’o’i 4. Idan aka ba da halin yanzu na ruwa tare da v = 1.25 m / s dangane da bakin teku, saurin jirgin ruwa dangane da ruwa shine 20 km / h. Nisa MN shine:

A. 37.9 km B. 38.9 km C. 40 km D. 40.9 km

Lokacin da ke ƙasa: v13 = vna sha biyu + v23 = 6.81m/s Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Lokacin zuwa sama: v13‘ = vna sha biyu – v23 = 4.31m/s Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

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Ta batu:

Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

s = 37894.7 m = 37.9 km

Tambaya 11: Duk motocin hawa biyu suna tafiya akan layi ɗaya tare da saurin v.na farkokuma2. Lokacin da motocin hawa biyu ke gudana a saɓani dabam-dabam, menene gudun mashin ɗin farko dangane da na biyu?

A. vna sha biyu = vna farko B. vna sha biyu = v2 C. vna sha biyu = vna farko + v2 D. vna sha biyu = vna farko – v2

Aya ta 12: Fasinja zaune akan mota A ya kalli taga ya ga motar B na gaba da fale-falen dandamali suna tafiya a cikin hanya guda. Zaɓi magana daidai:

A. Train B yana tsaye, Train A yana gudana

B. Duk jiragen biyu suna tsaye

C. Train A yana tsaye, jirgin B yana gudana

D. Duk jiragen kasa suna gudu

Aya ta 13: Abu na farko yana motsawa da sauri vna farkoabu na biyu yana tafiya da sauri v2. Kira v21 shine gudun abu na biyu dangane da na farko. Madaidaicin magana shine:

A. v21 = vna farkov2

B. v21 = v2vna farko

C. v21 = vna farko + v2

C. v21 = | v2 | – | vna farko |

Aya ta 14: Zaɓi magana daidai. A tsaye a Duniya za mu ga:

A. Duniya a tsaye take, wata yana kewaya duniya kuma Rana tana zagayen wata

B. Duniya a tsaye take, wata da Rana suna zagaye duniya

C. Wata a tsaye yake, Duniya tana kewaya duniyar wata, Rana kuma tana kewaya duniya

D. Rana a tsaye take, Duniya tana zagaye Rana ita kuma Rana tana kewaya Duniya

Aya ta 15: Kwalekwale yana tafiya daga tashar kogin P zuwa Q sannan daga Q zuwa P. Tashoshin kogin guda biyu suna da nisan kilomita 21 a kan layi madaidaiciya. Gudun kwalekwalen a lokacin da ruwa ba ya gudana shine 19.8 km / h kuma gudun magudanar dangane da bakin kogi shine 1.5 m / s. Lokacin motsi na kwalekwalen shine:

A. 4250s B. 6250s C. 8250s D. 1250s

Lokacin da ke ƙasa: v13 = vna sha biyu + v23 = 7m/s Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

Lokacin zuwa sama: v13‘= vna sha biyu – v23 = 4m/s Physics 10 |  Taken: Theory and Physics 10 motsa jiki tare da amsoshi

t = tna farko + t’ = 8250s.

Duba ƙarin zaɓaɓɓun nau’ikan darussan Physics na aji 10 tare da wasu amsoshi masu kyau:


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