Tambayoyin Misali na Vector

Misalai 25 na Matsalolin Vector

1. Ƙarfi biyu suna tsaye a kan juna, kowannensu yana da girman N3 da N4. Girman da aka samu na ƙarfin biyu shine...
Tattaunawa
An san cewa:
F1 = 3 N, F2 = 4N
Tambaya: Menene sakamakon waɗannan vectors guda biyu?
Amsa:
Akwai vector guda biyu kawai kuma vector guda biyu suna tsaye a kan juna don haka maganin yana amfani da dabarar Pythagorean.
Misalin matsalar vector 12. Idan girman vector A = raka'a 4, zai samar da kusurwar 30o tare da axis mai kyau na x, to girman vector a cikin axis na x da y shine...
Tattaunawa
An san cewa:
A = raka'a 4, Kusurwa = 30o
An tambaya: Ax da kuma Ay ?
Amsa:
Misalin matsalar vector 23. Vectors guda biyu F1 da kuma F2 Kowannensu yana da girman N5 da N12, suna da wurin hulɗa iri ɗaya kuma suna fuskantar juna a kusurwar 60°, ƙimar da aka samu daga vectors guda biyu ita ce...
Tattaunawa
An san cewa:
F1 = 5 N, F2 = 12 N, kusurwa = 60o
Tambaya: Menene sakamakon waɗannan vectors guda biyu?
Amsa:
Akwai vector guda biyu kawai kuma vector guda biyu ba su daidaita da juna ba (suna a kusurwar 60° ga juna).o) saboda haka mafita ga matsalar tana amfani da dabarar cosine.
Misalin matsalar vector 34. a cikin1 = raka'a 20 da v2 = raka'a 20. Yaya girman vector ɗin da ya haifar yake?

Misalin matsalar vector 4Tattaunawa
Lissafin vector na kayan aiki:
v1x = v1 kowa 30o = (20)(½√3) = -10√3
v1y = v1 ba 30o = (20)(½) = 10
v2x = v2 kowa 30o = (20)(½√3) = 10√3
v2y = v2 ba 30o = (20)(½) = 10

vx = v1x + v2x = -10√3 + 10√3 = 0
vy = v1y + v2y = 10 + 10 = 20

Bayani: v1x alamar korau saboda alkiblar v1x a gefen hagu, tare da axis ɗin x mara kyau. v2x yana da kyau saboda alkiblar tana zuwa dama ko kuma a alkiblar x-axis mai kyau. v1y kuma v2y yana da kyau saboda alkiblarsa tana sama a alkiblar y-positive. Don gano alkiblar kowace vector na sashi da kuma ko vector na sashi yana da kyau ko mara kyau, zana vector na sashi akan axis na x da y-axis kamar yadda aka nuna a misali mai lamba 2 na tambaya.

Ana ƙididdige vector ɗin da aka samu:
Misalin matsalar vector 5Girman vector ɗin da aka samu shine raka'a 20

5. Yaro yana gudu mita 80 zuwa arewa, sannan ya juya gabas mita 80 sannan ya juya kudu mita 20. wurin ƙaura abin da yaron ya yi shi ne….

A. 60 m
B. 80 m
C. mita 100
D. 120 m
E. 180 m

Tattaunawa

Matsar da kaya zuwa wurare masu nisa

Jarrabawar Kasa ta Fizik ta Makarantar Sakandare ta MA ta 2012 - 1Yi amfani da tsarin Pythagorean:
Jarrabawar Kasa ta Fizik ta Makarantar Sakandare ta MA ta 2012 - 2Arewa maso Gabas
Amsar da ta dace ita ce C

6. Budi yana tafiya mita 6 zuwa gabas, sannan mita 6 zuwa kudu, da kuma mita 2 zuwa gabas. Motar Budi daga inda ya fara aiki ita ce...

A. 20 m
B. 14 m
C. mita 12
D. 10 m
E. 8 m

Tattaunawa

Jarrabawar Kasa ta Fizik ta Makarantar Sakandare ta MA ta 2012 - 3
Yi amfani da tsarin Pythagorean:

Jarrabawar Kasa ta Fizik ta Makarantar Sakandare ta MA ta 2012 - 4alkiblar kudu maso gabas
Amsar da ta dace ita ce D.

7.

Yawan Vector - Tattaunawa kan tambayoyi da amsoshi don Jarrabawar Ƙasa ta 2013 don Physics ga Manyan Makarantun Sakandare da Makarantun Sakandare na Musulunci - 1Sakamakon ƙarfin uku da ke cikin hoton da ke gefe shine…

A. 24 N
B. 16 N
C. 12 N
D. 10 N
E. 4 N

Tattaunawa
An sani :
F1 = 20 Newton, Kusurwar tsakanin F1 kuma axis ɗin x = 0
F2 = 20 Newton, Kusurwar tsakanin F2 kuma axis ɗin x = 60
F3 = 24 Newton, Kusurwar tsakanin F3 kuma axis ɗin x = 60
An tambaya : Sakamakon ƙarfin uku (F1, F2 da kuma F3)
Jawab :

Abubuwan da ke cikin vector mai ƙarfi akan gatari x da y
F1x = (F1)(cos 0) = (20)(1) = 20. Mai kyau saboda yana kan hanya ɗaya da axis x tabbatacce (zuwa dama)
F1y = (F1)(zunubi 0) = (20)(0) = 0
F2x = (F2)(cos 60) = (20)(0,5) = -10. Mara kyau domin yana kan hanya ɗaya da axis x korau (a hagu)
F2y = (F2)(zunubi 60) = (20)(0,5√3) = 10√3. Mai kyau saboda yana kan hanya ɗaya da axis y tabbatacce (sama)
F3x = (F3)(cos 60) = (24)(0,5) = -12. Mara kyau domin yana kan hanya ɗaya da axis x korau (a hagu)
F3y = (F3)(zunubi 60) = (24)(0,5√3) = -12√3. Mara kyau domin yana kan alkibla ɗaya da axis y korau (ƙasa)
Sakamakon abubuwan da ke haifar da ƙarfin vector a kan gatari x da y
Fx = F1x - F2x - F3x = 20 – 10 – 12 = -2
Fy = F1y +F2y - F3y = 0 + 10√3 – 12√3 = -2√3
Sakamako na uku Adadin vector gaya
Yawan Vector - Tattaunawa kan tambayoyi da amsoshi don Jarrabawar Ƙasa ta 2013 don Physics ga Manyan Makarantun Sakandare da Makarantun Sakandare na Musulunci - 2Amsar da ta dace ita ce E.

8.

Yawan Vector - Tattaunawa kan tambayoyi da amsoshi don Jarrabawar Ƙasa ta 2013 don Physics ga Manyan Makarantun Sakandare da Makarantun Sakandare na Musulunci - 3Ƙarfin ƙarfin F1, F2, da kuma F3 yana kan zane na Cartesian kamar yadda aka nuna a hoton:
Sakamakon vectors guda uku shine…

A. √26 N
B. √76 N
C. √84 N
D. √168 N
E. √204 N

Tattaunawa
An sani :
F1 = 12 Newton, Kusurwar tsakanin F1 kuma axis ɗin x = 30
F2 = 10 Newton, Kusurwar tsakanin F2 kuma axis ɗin x = 90
F3 = 8 Newton, Kusurwar tsakanin F3 kuma axis ɗin x = 30
An tambaya : Sakamakon vectors guda uku masu ƙarfi (F1, F2 da kuma F3)
Jawab :
Abubuwan da ke cikin vector mai ƙarfi akan gatari x da y
F1x = (F1)(cos 30) = (12)(0,5√3) = 6√3. Mai kyau saboda yana kan hanya ɗaya da axis x tabbatacce (zuwa dama)
F1y = (F1)(zunubi 30) = (12)(0,5) = 6. Mai kyau saboda yana kan hanya ɗaya da axis y tabbatacce (sama)
F2x = (F2)(cos 90) = (10)(0) = 0.
F2y = (F2)(zunubi 90) = (10)(1) = -10. Mara kyau saboda yana kan hanya ɗaya da axis y korau (ƙasa)
F3x = (F3)(cos 30) = (8)(0,5√3) = -4√3. Mara kyau domin yana kan alkibla ɗaya da axis x korau (a hagu)
F3y = (F3)(zunubi 30) = (8)(0,5) = -4. Mara kyau saboda yana kan hanya ɗaya da axis y korau (ƙasa)
Sakamakon abubuwan da ke haifar da ƙarfin vector a kan gatari x da y
Fx = F1x +F2x - F3x = 6√3 + 0 – 4√3 = 2√3
Fy = F1y - F2y - F3y = 6 – 10 – 4 = -8
Sakamakon vectors uku masu ƙarfi
Yawan Vector - Tattaunawa kan tambayoyi da amsoshi don Jarrabawar Ƙasa ta 2013 don Physics ga Manyan Makarantun Sakandare da Makarantun Sakandare na Musulunci - 4Amsar da ta dace ita ce B.

KARANTA KUMA  Cajin wutar lantarki

9. Kalli hoton da ke gefe. Girman sakamakon ƙarfin uku shine…
Yawan Vector - Tattaunawa kan tambayoyi da amsoshi don Jarrabawar Ƙasa ta 2013 don Physics ga Manyan Makarantun Sakandare da Makarantun Sakandare na Musulunci - 5A. 0
B. 2√3 N
C. 4√3 N
D. 8√3 N
E. 12√3 N
Tattaunawa
An sani :
F1 = 4 Newton, Kusurwar tsakanin F1 kuma axis ɗin x = 30
F2 = 6√3 Newton, Kusurwar tsakanin F2 kuma axis ɗin x = 0
F3 = 2 Newton, Kusurwar tsakanin F3 kuma axis ɗin x = 90
An tambaya : Girman sakamakon ƙarfin uku (F1, F2 da kuma F3)
Jawab :
Abubuwan da ke cikin vector mai ƙarfi akan gatari x da y
F1x = (F1)(cos 30) = (4)(0,5√3) = 2√3. Mai kyau saboda yana kan hanya ɗaya da axis x tabbatacce (zuwa dama)
F1y = (F1)(zunubi 30) = (4)(0,5) = 2. Mai kyau saboda yana kan hanya ɗaya da axis y tabbatacce (sama)
F2x = (F2)(cos 0) = (6√3)(1) = -6√3. Mara kyau saboda yana kan hanya ɗaya da axis x korau (a hagu)
F2y = (F2)(zunubi 0) = (6√3)(0) = 0.
F3x = (F3)(cos 90) = (2)(0) = 0.
F3y = (F3)(zunubi 90) = (2)(1) = -2. Mara kyau saboda yana kan hanya ɗaya da axis y korau (ƙasa)
Sakamakon abubuwan da ke haifar da ƙarfin vector a kan gatari x da y
Fx = F1x - F2x +F3x = 2√3 – 6√3 + 0 = -4√3
Fy = F1y +F2y - F3y = 2 + 0 – 2 = 0
Sakamakon vectors uku masu ƙarfi
Yawan Vector - Tattaunawa kan tambayoyi da amsoshi don Jarrabawar Ƙasa ta 2013 don Physics ga Manyan Makarantun Sakandare da Makarantun Sakandare na Musulunci - 6Amsar da ta dace ita ce C.

10. Yaro yana tafiya kai tsaye mita 10 zuwa yamma, sannan ya juya kudu na tsawon mita 4, sannan ya sake juya gabas na tsawon mita 13. Matsar da yaron daga wurin da ya fara...
Ƙayyade vector ɗin da ya haifarA. mita 4 kudu maso yamma
B. Mita 5 kudu
C. Mita 5 kudu maso gabas
D. Mita 10 gabas
E. Mita 10 kudu maso gabas

Tattaunawa

Ƙayyade vector mai sakamakon 1Amsar da ta dace ita ce C.

11. Sakamakon ƙarfin uku da ke cikin hoton da ke gefe shine…

Tantance vector mai sakamakon - 2A. 1,0 N
B. 1,5 N
C. 1,9 N
D. 2,0 N
E. 2,3 N
Tattaunawa
Lissafa girman kowanne vector na sassa:
F1x = 10N
F1y = 0
F2x = -10 cos 60 = - (10) (0,5) = - 5 N
F2y = 10 zunubi 60 = (10) (0,87) = 8,7 N
F3x = -12 cos 60 = - (12) (0,5) = - 6 N
F3y = -12 zunubi 60 = - (12) (0,87) = - 10,4 N
Ƙayyade vector ɗin da aka samu:

Tantance vector mai sakamakon - 3

12. An nuna vectors guda uku masu ban sha'awa a cikin hoton. Girman kowane vector shine:
|V1 | = raka'a 30Tattaunawa kan tambayoyin vector 1
|V2 | = raka'a 30
|V3 | = raka'a 40
Girman sakamakon vectors guda uku shine...
A. Raka'a 30
B. Raka'a 40
C. Raka'a 50
D. Raka'a 90
E. Raka'a 110
Tattaunawa
An san cewa:
V1 = 30, Kusurwar da ke tsakanin V1 kuma axis ɗin x = 30o
V2 = 30, Kusurwar da ke tsakanin V2 kuma axis ɗin x = 30o
V3 = 40, Kusurwar da ke tsakanin V3 kuma axis ɗin x = 0o
Tambaya: Sakamakon vectors guda uku (V)1, V2 kuma V3)
Amsa:
Abubuwan da ke cikin vector mai ƙarfi akan gatari x da y
V1x = (V1(kwas 30)o) = (30)(0,5√3) = 15√3. Mai kyau saboda yana kan alkibla ɗaya da madaidaicin x (zuwa dama)
V1y = (V1) (zunubi 30o) = (30)(0,5) = 15. Mai kyau saboda yana kan alkibla ɗaya da axis mai kyau na y (sama)
V2x = (V2(kwas 30)o) = (30)(0,5√3) = -15√3. Komawa saboda yana kan alkibla ɗaya da komawar x-axis mara kyau (zuwa hagu)
V2y = (V2) (zunubi 30o) = (30)(0,5) = 15. Mai kyau saboda yana kan alkibla ɗaya da axis mai kyau na y (sama)
V3x = (V3(kwas 0)o) = (40)(1) = 40. Mai kyau saboda yana kan hanya ɗaya da madaidaicin x (zuwa dama)
V3y = (V3) (zunubi 0o) = (40)(0) = 0

Tattaunawa kan tambayoyin vector 2

13. Ƙarfi biyu (wurin hulɗa) suna tsaye a kan juna, girmansu kuma shine 12 N da 5 N. Girman sakamakon ƙarfin biyu shine…
A. 17 N
B. 15 N
C. 13 N
D. 9 N
E. 7 N
Tattaunawa
An san cewa:
Salo na 1 (F)1) = 12 Newton
Salo na 2 (F)2) = 5 Newton
Ana nema: Sakamakon duka ƙarfin biyu (ΣF)
Amsa:
Ƙarfin biyu suna tsaye a kan juna don haka ana ƙididdige ƙarfin da ya haifar ta amfani da dabarar Pythagorean.

Tattaunawa kan tambayoyin vector 3

14. An nuna vector guda uku masu ban sha'awa a cikin hoton da ke ƙasa. Girman kowane vector shine:
|V1| = raka'a 30
|V2| = raka'a 30
|V3| = raka'a 40
Girman sakamakon vectors guda uku shine...
A. Raka'a 30Tattaunawa kan tambayoyin vector 4
B. Raka'a 40
C. Raka'a 50
D. Raka'a 90
E. Raka'a 110
Tattaunawa
An san cewa:
v1 = raka'a 30, suna samar da kusurwar 30o zuwa ga axis ɗin x mara kyau.
v2 = raka'a 30, suna samar da kusurwar 30o zuwa ga axis ɗin x mai kyau.
v3 = raka'a 40, suna samar da kusurwar 0o zuwa ga axis ɗin x mai kyau.
An tambaya: Vector mai sakamako
Amsa:
Lissafa abubuwan da aka haɗa na vector:
v1x = v1 kowa 30o = (30)(0,5√3) = -15√3 (alamar korau saboda tana kan alkibla ɗaya da axis ɗin x mara korau)
v1y = v1 ba 30o = (30)(0,5) = 15 (alama mai kyau saboda tana kan alkibla ɗaya da axis mai kyau na y)
v2x = v2 kowa 30o = (30)(0,5√3) = 15√3 (alama mai kyau saboda tana kan alkibla ɗaya da axis mai kyau na x)
v2y = v2 ba 30o = (30)(0,5) = 15 (alama mai kyau saboda tana kan alkibla ɗaya da axis mai kyau na y)
v3x = v3 kowa 0o = (40)(1) = 40 (alama mai kyau saboda tana kan alkibla ɗaya da axis mai kyau na x)
v3y = v3 ba 0o = (40)(0) = 0

KARANTA KUMA  Babban EMF da aka jawo

Tattaunawa kan tambayoyin vector 5

15. Sakamakon ƙarfin uku da ke cikin hoton da ke ƙasa shine...
A. 0 NTattaunawa kan tambayoyin vector 6
B. 2 N
C. 2√3 N
D. 3 N
E. 3√3 N
Tattaunawa
An san cewa:
F1 = 3 Newtons suna samar da kusurwar 60o zuwa ga axis ɗin x mai kyau
F2 = 3 Newtons suna samar da kusurwar 0o zuwa ga axis ɗin x mara kyau
F3 = 6 Newtons suna samar da kusurwar 60o zuwa ga axis na y mara kyau
An tambaya: Ƙarfin sakamako
Amsa:
Lissafa vector ɗin kayan aikin:
F1x = F1 kowa 60o = (3)(0,5) = 1,5 N (alama mai kyau saboda tana kan alkiblar x-axis mai kyau)
F1y = F1 ba 60o = (3)(0,5√3) = 1,5√3 N (alama mai kyau saboda tana kan alkiblar y mai kyau)
F2x = F2 kowa 0o = (3)(1) = -3 N (alamar korau saboda tana kan alkiblar x-axis mara kyau)
F2y = F2 ba 0o = (3)(0) = 0
F3x = F3 kowa 60o = (6)(0,5) = 3 N (alama mai kyau saboda tana kan alkiblar x-axis mai kyau)
F3y = F3 ba 60o = (6)(0,5√3) = -3√3 N (alamar korau saboda tana cikin alkiblar y-axis mara korau)

Tattaunawa kan tambayoyin vector 7

16. Vectors guda biyu F1 da kuma F2 Kowannensu yana da girman N15 da N9, suna da wurin hulɗa iri ɗaya kuma suna fuskantar juna a kusurwar 60°, ƙimar da aka samu daga vectors guda biyu ita ce...
A. 15 N
B. 20 N
C. 21 N
D. 24 N
E. 30 N
Tattaunawa
An san cewa:
Salo na 1 (F)1) = 15 Newton
Salo na 2 (F)2) = 9 Newton
Kusurwoyi (θ) = 60o
Tambaya: Sakamakon vectors guda biyu
Amsa:
Akwai vector guda biyu da suka samar da kusurwar 60o don haka ana ƙididdige vector ɗin da aka samu ta amfani da dabarar cosine:

Tattaunawa kan tambayoyin vector 11

17. Sakamakon ƙarfin uku da ke cikin hoton da ke gefe shine…
A. 24 N
B. 16 N
C. 12 N
D. 10 N
E. 4 N
Tattaunawa
An san cewa:
F1 = 20 Newton, Kusurwar tsakanin F1 kuma axis ɗin x = 0
F2 = 20 Newton, Kusurwar tsakanin F2 kuma axis ɗin x = 60
F3 = 24 Newton, Kusurwar tsakanin F3 kuma axis ɗin x = 60
Tambaya: Sakamakon rundunonin uku (F1, F2 da kuma F3)
Amsa:
Abubuwan da ke cikin vector mai ƙarfi akan gatari x da y
F1x = (F1)(cos 0) = (20)(1) = 20. Mai kyau saboda yana kan hanya ɗaya da madaidaicin x (zuwa dama)
F1y = (F1)(zunubi 0) = (20)(0) = 0
F2x = (F2)(cos 60) = (20)(0,5) = -10. Komawa saboda yana kan alkibla ɗaya da komawar x-axis mara kyau (zuwa hagu)
F2y = (F2)(zunubi 60) = (20)(0,5√3) = 10√3. Mai kyau saboda yana kan hanya ɗaya da madaidaicin y (sama)
F3x = (F3)(cos 60) = (24)(0,5) = -12. Komawa saboda yana kan alkibla ɗaya da komawar x-axis mara kyau (zuwa hagu)
F3y = (F3)(zunubi 60) = (24)(0,5√3) = -12√3. Mara kyau domin yana kan hanya ɗaya da mara kyau ta y (ƙasa)

Tattaunawa kan tambayoyin vector 10

18. Abu yana motsawa daga E zuwa F kuma ya ƙare a G. Hoton da ke ƙasa, wanda ke nuna matsugunin raka'a 10,...

Tattaunawa kan Jarrabawar Ƙasa ta 2018 don Ilimin Lissafi na Makarantun Sakandare - 2

Tattaunawa kan Jarrabawar Ƙasa ta 2018 don Ilimin Lissafi na Makarantun Sakandare - 3

Tattaunawa kan Jarrabawar Ƙasa ta 2018 don Ilimin Lissafi na Makarantun Sakandare - 4

Tattaunawa

Daidaitowar maki E = x, y = 1, 1

Daidaitowar maki F = x, y = 9, 1

Daidaitowar maki G = x, y = 9, 7

Tsawon EF = 9-1 = 8

Tsawon FG = 7-1 = 6

Tsawon EG =

Tattaunawa kan Jarrabawar Ƙasa ta 2018 don Ilimin Lissafi na Makarantun Sakandare - 5

Amsar da ta dace ita ce A.

19. Mutum yana tafiya da mota daga A zuwa B, kilomita 30 arewa, sannan ya ci gaba zuwa C, kilomita 60 gabas, sannan daga ƙarshe ya isa birnin D, kilomita 110 kudu. Motar ta yi tafiya daga A zuwa D...

A. 200 kmTattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 4

B. 140 km

C. 120 km

D. 100 km

E. 80 km

Tattaunawa

AA' = 60 km

A'D = 110 km - 30 km = 80 km

Tattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 5

Amsar da ta dace ita ce D.

20. Andi ya yi tafiya da mota daga birni A zuwa arewa zuwa birni B na tsawon kilomita 100, sannan ya ci gaba da tafiyarsa zuwa birni C gabas na tsawon kilomita 60, sannan Andi ya yi tafiya kudu zuwa birni D na tsawon kilomita 20. Motar ta…

A. 10 kmTattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 6

B. 20 km

C. 80 km

D. 100 km

E. 180 km

Tattaunawa

D'D = 60 km

AD' = 100 km - 20 km = 80 km

KARANTA KUMA  Tsarin Hutu Makamashi na Kinetic Makamashi Gudun Hasken Motsin Rayuwa

Tattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 7

Amsar da ta dace ita ce D.

21. A taron "Bikin Marathon na Birni" a watan Oktoban 2014 a Jakarta, an sami rukunoni guda 4 na gudu, wato rukunoni cikakken marathon (kilomita 42), rukuni rabin marathon (kilomita 21), rukuni na kilomita 10 da kuma rukuni na kilomita 5, inda aka ƙayyade hanyar da kowace rukuni za ta bi. Wannan tseren marathon ya fara ne daga Bung Karno Sports Complex kuma ya ƙare a National Monument (Monas). Ɗaya daga cikin mahalarta tseren, Andri, ya shiga tseren. cikakken marathon kuma yana iya tafiya ne kawai daga wurare A, B, da C kamar haka Hoto na 2.

Tattaunawa kan Jarrabawar Ƙasa ta 2015 don Ilimin Lissafi na Makarantun Sakandare - 7

Idan akwati 1 yana wakiltar kilomita 1, to jimillar gudun hijirar da Andri ya yi zai kasance…

A. 26 km

B. 20 kmTattaunawa kan Jarrabawar Ƙasa ta 2015 don Ilimin Lissafi na Makarantun Sakandare - 8

C. 12 km

D. 10 km

E. 8 km

Tattaunawa

Tsawon gefen ƙasa = kilomita 8, tsawon gefen gaba = kilomita 6.

Ta amfani da dabarar Pythagorean, Matsugunin = R = 10 km

Amsar da ta dace ita ce D.

22. Mutum yana tafiya da mota daga A zuwa B, kilomita 30 arewa, sannan ya ci gaba zuwa C, kilomita 60 gabas, sannan daga ƙarshe ya isa birnin D, kilomita 110 kudu. Motar ta yi tafiya daga A zuwa D...

A. 200 kmTattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 4

B. 140 km

C. 120 km

D. 100 km

E. 80 km

Tattaunawa

AA' = 60 km

A'D = 110 km - 30 km = 80 km

Tattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 5

Amsar da ta dace ita ce D.

23. Andi ya yi tafiya da mota daga birni A zuwa arewa zuwa birni B na tsawon kilomita 100, sannan ya ci gaba da tafiyarsa zuwa birni C gabas na tsawon kilomita 60, sannan Andi ya yi tafiya kudu zuwa birni D na tsawon kilomita 20. Motar ta…

A. 10 kmTattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 6

B. 20 km

C. 80 km

D. 100 km

E. 180 km

Tattaunawa

D'D = 60 km

AD' = 100 km - 20 km = 80 km

Tattaunawa kan Jarrabawar Ƙasa ta 2016 don Ilimin Lissafi na Makarantun Sakandare - 7

Amsar da ta dace ita ce D.

Vektor na Naúrar

24. Tambayoyin Jarrabawar Ƙasa na 2000/2001
Abu wanda asalinsa yake a wurin tunani yana motsawa da sauri v = (2i − 1,5h) ms-1Bayan ya yi motsi na tsawon daƙiƙa 4, abin ya motsa nesa da…
A. 2 m
B. 10 m
C. mita 12
D. 14 m
E. 25 m
Tattaunawa
An san cewa:
Gudun a cikin shugabanci na kwance (vx) = 2 m/s
Gudun a tsaye (vy) = 1,5 m/s
Tazarar lokaci (t) = daƙiƙa 4
An tambaya: Komawar abubuwa
Amsa:
Lissafa saurin da aka samu na abu (v):

Tattaunawa kan tambayoyin vector na na'ura 1

25. Tambayoyin Jarrabawar Ƙasa na 2007/2008 P4 No. 3
Vektor F1 = 14 N da F2 = 10 N an sanya shi a kan zane na Cartesian kamar yadda aka nuna a cikin hoton. Vektor ɗin da aka samu idan aka bayyana a cikin vektor naúrar R = i + j shine….
A. 7i + 10√3 jTattaunawa kan tambayoyin vector na na'ura 2
B. 7i + 10j
C. 3i + 7√3 j
D. 3i + 10j
E. 3i + 7j
Tattaunawa
Tattaunawa kan tambayoyin vector na na'ura 3Lissafin vector na kayan aiki:
F1x = (F1(kwas 60)o) = (14)(0,5) = -7 N (alamar korau saboda tana cikin alkiblar x korau)
F1y = (F1) (zunubi 60o) = (14)(0,5√3) = 7√3 N (alama mai kyau saboda tana kan alkiblar y mai kyau)
F2x = 10N
F2y = 0
Ana ƙididdige vector ɗin ɓangaren da aka samu:
Fx = F1x +F2x +F3x = -7 + 10 = 3 N
Fy = F1y +F2y +F3y = 7√3 + 0 = 7√3 N
Vektor ɗin da aka samu idan aka bayyana shi a cikin vektor naúrar:
R = 3 i + 7√3 j
Amsar da ta dace ita ce C.

 

Tushen tambaya:

Tambayoyin Nazarin Fizik na Ƙasa ga Makarantar Sakandare ta Babbar Sakandare/Makarantar Sakandare ta Sana'a

Tambayoyin Vector
1. Ƙarfi biyu suna tsaye a kan juna, girmansu kuma shine 5 N da 12 N. Girman sakamakon ƙarfin biyu shine ... (Amsa: 13 N)
2. Idan girman vector B = raka'a 10, zai samar da kusurwar 60o tare da axis mai kyau na x, to girman vector a cikin axis na x da axis na y shine ... (Amsa: Bx = 5, By = 53 )
3. Vectors guda biyu F1 da kuma F2 Kowannensu girmansa shine 3 N da 4 N, yana da wurin hulɗa iri ɗaya kuma yana da kusurwar 60°, ƙimar da aka samu daga vectors guda biyu... (Amsa: F = 37 N)
4. a cikin1 = raka'a 50 da v2 = raka'a 50. Yaya girman vector ɗin da ya haifar yake?

Tambaya ta 1 game da vector

(Amsa: v = 50Raka'a 2)
5. Yaro yana tafiya kai tsaye mita 80 zuwa arewa, sannan ya juya gabas na mita 80, sannan ya sake juya kudu na mita 20. Matsar da yaron ya yi daga wurin da ya fara zama shine….
(Amsa: Mita 100, zuwa arewa maso gabas)
6. Sakamakon ƙarfin uku da ke cikin hoton da ke ƙasa shine...
Tambaya ta 2 game da vector(Amsa: 6 N)

Ku bar sharhi