12 Tusaalooyin su'aalo mashiin fudud ah
1. Fiiri sawirka boolal go'an oo dhinaca ku yaal! Si aad u qaaddo, waxaa loo baahan yahay xoog F ah.
sida weyn…
A. 50 N
B. 100 N
C. 200 N
D. 1000 N
Dood
Miisaanka rarka = 100 Newtons. Si loo qaado rarka, waxaa loo baahan yahay ugu yaraan 100 Newtons.
Jawaabta saxda ah waa B.
2. Fiiri sawirka!
Faa'iidada farsamada ee kabaalka waa…
A. 1
B. 1,5
C. 2,5
D. 10
Dood
Waa la ogyahay in:
Miisaanka (w) = 75 Newtons
Xoogga (F) = 7,5 Newton
Gacanta Awoodda (LK) = 50 cm
Gacanta Culayska (LB) = 5 cm
La weydiiyay: Faa'iidada farsamada (KM)
Jawaab:
Qaacidada faa'iidada farsamo ee kabaalka:
KM = w / F ama KM = LK/LB
Macluumaad: KM = faa'iido farsamo, w = miisaanka culayska, F = xoog, LK = gacanta awoodda, LB = gacanta culayska.
Faa'iidada farsamada ee kabaalka waxaa lagu xisaabiyaa iyadoo la adeegsanayo qaacidada kore:
KM = w/F = 75 Newtons / 7,5 Newtons = 10 ama
KM = LK/LB = 50 cm /5 cm = 10
Jawaabta saxda ah waa D.
3. Fiiri sawirka kabaalka soo socda!
Baaxadda xoogga lagu qaadayo dhagaxa waa…
A. 2.250 Newton
B. 1.500 Newton
C. 750 Newton
D. 500 Newton
Dood
Waa la ogyahay in:
Miisaanka culayska (w) = 1500 Newton
Gacanta culayska (Lb) = 0,5 mitir
Gacanta awoodda (Lk) = 1,5 mitir
La weydiiyay: Xoog (F)
Jawaab:
Qaacidada faa'iidada farsamo ee kabaalka:
Km = w / F ama Km = Lk/Lb
Sharaxaadda qaacidada:
Km = faa'iido farsamo, w = miisaanka culayska, F = xoog, Lk = gacan awood leh, Lb = gacan culays ah.
Faa'iidada farsamada:
Km = Lk/Lb = 1,5/0,5 = 3
Qaab weyn:
Km = w / F
F = w / km
F = 1500 Newtons / 3
F = 500 Newton
Jawaabta saxda ah waa D.
4. Fiiri sawirka!
Afarta mashiin ee fudud ee kor ku xusan, kan adeegsanaya mabda'a diyaarad u janjeerta waa...
A. 1 iyo 2
B. 1 iyo 3
C. 2 iyo 3
D. 3 iyo 4
Dood
Mashiin fudud waa qalab loo isticmaalo in shaqada aadanaha lagu fududeeyo. Tusaale ahaan, haddii aad ku dhibtoonayso inaad shay kor u qaaddo meel gaar ah, diyaarad janjeerta ayaa la isticmaali karaa. Riixidda shay diyaaradda janjeerta waxay u baahan tahay xoog ka yar sidii loo qaadi lahaa si toos ah. Xaaladdan, shaygu wuu dhaqaaqaa halka diyaaradda janjeerta ay weli taagan tahay.
Diyaaradda janjeerta ee sawirka kore ku taal waa diyaarad janjeerta taas oo wali jirta. Waxaa jira diyaarado jilicsan oo ah mashiinno fudud oo dhaqaaqi kara, kuwaas oo kala ah boolal (1) iyo meelo wareegsan. Tusaalooyinka meelaha wareegsan waa faasas (2), mindiyaha iyo jajabyada. Xaaladdan, shaygu waa wali inta diyaaradda janjeerta ay socoto.
Jawaabta saxda ah waa A.
5. Mashiinka fudud ee soo socda ee adeegsanaya mabda'a kabaalka waa...
Dood
Nooc ka mid ah mashiinka fudud waa kabaalka. Kabaalka waa qalab kordhiya xoogga, halkaas oo xoogga la soo saaro uu ka weyn yahay xoogga la sii daayo. Waxaa jira saddex nooc oo kabaalka ah, kuwaas oo kala ah kabaalka heerka koowaad, kabaalka heerka labaad iyo kabaalka heerka saddexaad. Astaamaha kabaalka heerka koowaad waa in kabaalka uu u dhexeeyo xoogga iyo culayska, tusaale ahaan maqas iyo biinanka. Astaamaha kabaalka heerka labaad waa in culaysku uu u dhexeeyo kabaalka iyo xoogga, tusaale ahaan jiidaha ciddiyaha iyo birlabta. Astaamaha kabaalka fasalka saddexaad waa in xooggu uu u dhexeeyo culayska iyo xoogga, tusaale ahaan burush.
Jaantuska B waa tusaale kabaalka heerka labaad, halkaas oo culaysku uu u dhexeeyo barkinta (taayirka) iyo awoodda (xoogga kor u qaadista iyo xoogga riixitaanka aadanaha).
Jawaabta saxda ah waa B.
6. Mashiinka fudud ee soo socda wuxuu leeyahay mabda'a shaqo ee la mid ah mashiinka fudud ee kor ku xusan, kaas oo ah...
Dood
Mashiinka fudud ee sawirka kore ku yaal waa kabaal. Kabaalku waa aalad awood-kordhisa, halkaas oo xoogga ka dhasha uu ka weyn yahay xoogga la isticmaalay. Waxaa jira saddex nooc oo kabaal ah: kabaal-qaadayaasha heerka koowaad, kabaal-qaadayaasha heerka labaad, iyo kabaal-qaadayaasha heerka saddexaad.
Astaamaha kabaalka heerka koowaad waa in kabaalka uu u dhexeeyo xoogga iyo culayska, tusaale ahaan kabaalka, maqasyada iyo biinanka.
Astaamaha kabaalka fasalka labaad waa in culaysku uu u dhexeeyo baalka iyo xoogga, tusaale ahaan jiidaha ciddiyaha iyo stapler.
Astaamaha kabaalka fasalka saddexaad waa in xooggu uu u dhexeeyo culayska iyo barkinta, tusaale ahaan burush.
Sawirka su'aasha kore waa kabaal iyo mashiin fudud oo ku shaqeeya isla mabda'a kabaalku waa maqas.
Jawaabta saxda ah waa C.
7. Eeg ciyaarta seesaw sida ku cad sawirka soo socda!
Cufnaanta ilmaha A ayaa ka weyn tan ilmaha B. Si miinshaarku u dheellitiro, booska saxda ah waa...
A. Barta T waxaa loo wareejiyay barta P.
B. Ilmaha B wuxuu u guurayaa barta R
C. Ilmaha A wuxuu u guuraa barta P
D. Ilmaha B wuxuu u guurayaa barta Q
Dood
Mishiinka seesadu waa tusaale ka mid ah mashiinka kabaalka fudud. Qaacidada faa'iidada farsamo ee uu leeyahay waa:
KM = w lb = F lk
Macluumaadka:
KM = faa'iido farsamo,
w = culays
lb = gacan culays = masaafada u dhaxaysa culayska iyo barkinta. Barkinta jaantuska ku jirta waa T
F = awood
lk = gacan awood = masaafada u dhaxaysa awoodda iyo barkinta. Barkinta ku jirta sawirka waa T
Iyada oo ku saleysan qaacidada kore, si wax soo saarka culayska (w) iyo cududda culayska (lb) ay la mid yihiin wax soo saarka xoogga (F) iyo cududda xoogga (lk), markaa haddii cududdu weyn tahay oo cududdu yar tahay, cududda culayska (lb) waa inay yar tahay cududda xoogga (lk)na waa inay weyn tahay.
Fiiri sawirka kore. Haddii A uu yahay culays weyn B-na uu yahay xoog yar, markaa dheelitirku wuxuu dhacaa marka gacanta culaysku yar yahay gacanta xooggana ay weyn tahay.
Gacanta culaysku way yaraysaa ka dib marka ilmaha A uu u wareego P.
Jawaabta saxda ah waa C.
8.
Sawirka hoose fiiri!
Afarta diyaaradood ee kor ku xusan, kan leh faa'iidada farsamada ee isku mid ah waxaa lagu muujiyay tirada jaantuska….
A. (1) iyo (2)
B. (1) iyo (3)
C. (2) iyo (4)
D. (3) iyo (4)
Dood
Diyaarad janjeerta waa mashiin fudud. Mashiinno fudud waa qalab ka caawiya dadka inay qabtaan hawlaha. Diyaarado janjeera waxaa loo isticmaalaa in dadku u fududeeyaan inay walxaha kor u qaadaan meel gaar ah.
Faa'iidada farsamada ee diyaarad janjeerta waa saamiga dhererka diyaaradda janjeerta iyo dhererka diyaaradda janjeerta.
Faa'iidada farsamada ee diyaarad janjeerta 1 = 5 cm / 2 cm = 2,5
Faa'iidada farsamada ee diyaarad janjeerta 2 = 3 cm / 2 cm = 1,5
Faa'iidada farsamada ee diyaarad janjeerta 3 = 3 cm / 1 cm = 3
Faa'iidada farsamada ee diyaarad janjeerta 4 = 12 cm / 4 cm = 3
Faa'iidada farsamada ee isku mid ah waxaa lagu muujiyay jaantusyada (3) iyo (4).
Jawaabta saxda ah waa D.
9.
Qaar ka mid ah diyaaradaha u janjeera waxay leeyihiin cabbirro sida sawirka.
Midda leh faa'iidada farsamada ee la mid ah waa diyaaradda toosan….
A. (1) iyo (2)
B. (1) iyo (3)
C. (2) iyo (4)
D. (3) iyo (4)
Dood
Faa'iidada farsamada ee diyaaradda u janjeerta 1 = 3,2 m / 80 cm = 320 cm / 80 cm = 4
Faa'iidada farsamada ee diyaaradda u janjeerta 2 = 3,6 m / 90 cm = 360 cm / 90 cm = 4
Faa'iidada farsamada ee diyaaradda u janjeerta 3 = 3 m / 120 cm = 300 cm / 120 cm = 2,5
Faa'iidada farsamada ee diyaaradda u janjeerta 4 = 4 m / 125 cm = 400 cm / 125 cm = 3,2
Faa'iidada farsamada ee isku mid ah waxaa lagu muujiyay jaantusyada (1) iyo (2).
Jawaabta saxda ah waa A.
10.
Fiiri sawirka soo socda ee diyaarad janjeerta!
Diyaaradda janjeerta ee leh faa'iidada farsamada ee la mid ah waa….
A. (1) iyo (2)
B. (1) iyo (3)
C. (2) iyo (3)
D. (3) iyo (4)
Dood
Faa'iidada farsamada ee diyaaradda leexatay 1 = 3 m / 1,2 m = 2,5
Faa'iidada farsamada ee diyaaradda leexatay 2 = 5 m / 2 m = 2,5
Faa'iidada farsamada ee diyaaradda leexatay 3 = 4 m / 1,5 m = 2,6
Faa'iidada farsamada ee diyaaradda leexatay 4 = 3,6 m / 1,2 m = 3
Faa'iidada farsamada ee isku mid ah waxaa lagu muujiyay jaantusyada (1) iyo (2).
Jawaabta saxda ah waa A.
11. Mashiinno fudud
Fiiri sawirka kabaalka soo socda.
Masaafada AB = BC = CD = DE, xaddiga xoogga ee loo baahan yahay in lagu dabaqo barta E si kabaalka loo dheellitiro waa…
A. 300 N
B. 450 N
C. 750 N
D. 900 N
Dood
Waa la ogyahay in:
AB = BC = CD = DE = l
Gacanta culayska (Lb) = l
Gacanta awoodda (Lk) = 3l
Miisaanka culayska (w) = 900 Newton
La weydiiyay: Xoog (F)
Jawaab:
Faa'iidada farsamada:
Km = Lk/Lb = 3l/l = 3
Qaab weyn:
Km = w / F
F = w / km
F = 900 Newtons / 3
F = 300 Newton
Jawaabta saxda ah waa A.
12. Fiiri sawirka kabaalka hoose!
Culayska ayaa markaa loo wareejiyaa 10 cm meel u dhow barcrum-ka. Si loo ilaaliyo dheelitirka kabaalka, xooggu waa inuu...
A. oo lagu daray 54 N
B. laga jaray 64 N
C. oo lagu daray 75 N
D. laga jaray 96 N
Dood
Xisaabi gacanta korontada (Lk)
Waa la ogyahay in:
Gacanta culayska (Lb) = 25 cm
Miisaanka culayska (w) = 480 Newton
Xoogga (F) = 160 N
La weydiiyay: Gacanta awoodda leh (Lk)
Jawaab:
Faa'iidada farsamada (Km):
Km = w / F = 480 Newtons / 160 N = 3
Gacanta awoodda leh (Lk):
Km = Lk/Lb
3 = Lk/25 cm
Lk = (3)(25 cm)
Lk = 75 cm
Xisaabi baaxadda xoogga (F)
Waa la ogyahay in:
Gacanta culayska (Lb) = 25 cm – 10 cm = 15 cm
Miisaanka culayska (w) = 480 Newton
Gacanta awoodda leh (Lk) = 75 cm
La weydiiyay: Xoog (F)
Jawaab:
Faa'iidada farsamada (Km):
Km = Lk/Lb
Km = 75 cm / 15 cm
Km = 5
Baaxadda xoogga (F):
Km = w / F
F = w / km
F = 480 Newtons / 5
F = 96 Newton
Si kabaalka uu u noqdo mid dheellitiran, xoogga waxaa hoos u dhigaya 64 Newtons (160 N – 96 N).
Jawaabta saxda ah waa B.
Isha su'aasha:
Su'aalaha Imtixaanka Qaranka ee Sayniska ee Dugsiga Sare ee Hoose/Dugsiga Sare ee Islaamiga ah
