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Natiijada casharka

Waxaan si sax ah u cabbiri karaa xawaaraha celceliska ee gaari (trolley) ku socda jiiq.

Hordhac

Casharkani wuxuu ka mid yahay cutubka dhaqdhaqaaqa (movement) ee xoogga, waxaana diiradda lagu saari doonaa sida loo qiyaaso xawaaraha (speed) si wax ku ool ah. Waa inaad hore u garanaysaa sida loo xisaabiyo xawaaraha iyadoo la isticmaalayo masaafo iyo waqti. Diyaar ma u tahay inaad bilowdo tijaabada (experiment)?

Muuji qoraalka
A ramp will produce a force that allows a dynamics trolley to roll down it. The average speed of the trolley can be found from distance and time measurements. Counting down ‘3, 2, 1, go’ helps start a stopwatch at the right moment. Observing with eyes in line with the finish line helps stop a stopwatch at the right moment.

Warqadda shaqada

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Imtixaannada

  1. 1. Labo kubbadood ayaa isku masaafo rogrogmaya; kubbadda A waxay qaadataa 4 ilbiriqsi, kubbadda B-na waxay qaadataa 3 ilbiriqsi. Kee ayaa ah hadalada saxda ah?

    • Kubbadda A waxay u socotay si ka dhakhso badan kubbadda B.
    • Jawaabta saxda ah:Kubbadda A waxay u socotay si ka gaabis ah kubbadda B.
    • Kubbadda A waxay leedahay xawaare celcelis ah oo ka weyn kubbadda B.
    • Kubbadda A waxay leedahay xawaare celcelis ah oo ka hooseeya kubbadda B.

  2. 2. Waa kuwee kuwan mid kasta oo ah halbeeg (unit) xawaaraha (speed)?

    • m
    • Jawaabta saxda ah:m/s
    • km/h
    • N/s
    • s/m

  3. 3. Waa maxay macluumaadka loo baahan yahay si loo helo xawaaraha celceliska ah ee gaariga carruurtu ku ciyaaraan oo ku rogaya miis?

    • Cufka gaariga carruurtu ku ciyaarto.
    • Jawaabta saxda ah:Waqtiga uu qaato gaarigu inuu safro.
    • Joogga miiska.
    • Masaafada uu gaarigu safro.
    • Cabbirka xoogagga saaran gaariga.

  4. 4. Bas ayaa ku socda xawaarihiisu 2 m/s wuxuuna socdaa muddo 30 ilbiriqsi ah. Kee mid ka mid ah kuwan ayaa muujinaya sida loo xisaabiyo masaafada uu basku socday?

    • masaafada = 2 m/s + 30 s
    • Jawaabta saxda ah:masaafada = 2 m/s × 30 s
    • masaafada = 2 m/s ÷ 30 s
    • masaafada = 30 s ÷ 2 m/s
    • masaafada = 30 s - 2 m/s

  5. 5. Moodoobiyaha tartanka ayaa socdaal ku qaaday masaafo dhan 800 m, waqtiguna wuxuu ahaa 125 s. Xisaabi xawaaraha (speed).

    • 0.16 m/s
    • 1.6 m/s
    • Jawaabta saxda ah:6.4 m/s
    • 675 m/s
    • 925 m/s

  1. 1. Waa maxay sifada gaariga (dynamics trolley) u oggolaanaysa inuu ku wareego isagoon hoos uga dhigin xawaaraha?

    • Jawaabta saxda ah:Giraangiraha waxay leeyihiin khilaaf (friction) hoose.
    • Waa mid aad u fudud.
    • Waa mid aad u culus.
    • Wuxuu soo saaraa xoog wadid u gaar ah.

  2. 2. Waa maxay tallaabooyinkan midka loo qaado si loo cabbiro sax ah waqtiga ay ku qaadanayso trolley-ga (dynamics trolley) inuu ku rogo inta u dhaxaysa laba dhibcood oo ku yaal ramp-ka?

    • Ramp-ku waa inuu yeeshaa jiirar sare (gradient) (si uu u qallafsanaado).
    • Jawaabta saxda ah:Fiiri si toos ah xagga khadka dhamaadka.
    • Riix trolley-ga bilowga.
    • Fiiri dhinaca ramp-ka laga bilaabo bilowga ilaa khadka dhamaadka.
    • Bilow trolley-ga inuu rogmo iyadoo la tirinayo (countdown).

  3. 3. Gaari yar oo dhaqaaqa (dynamics trolley) ayaa la rogayaa masaafo dhan 1.5 m, wuxuuna qaadanayaa 3.0 s si uu u dhammeeyo masaafada. Waa maxay xawaaraha celceliska ah ee gaariga?

    • Jawaabta saxda ah:0.5 m/s
    • 2.0 m/s
    • 3.5 m/s
    • 2.5 m/s
    • 4.5 m/s

  4. 4. Gaari (trolley) dhaqaaqa (dynamics trolley) ayaa lagu sii daayaa jiiro (ramps) kala duwan, waxaana la ogaaday in uu leeyahay xawaare celcelis ah oo ka weyn jiirada ugu qallafsani. Keebaa ka mid ah weedhahan kaa caawinaya inaad sharaxdo natiijada?

    • Jawaabta saxda ah:Jiiradu waxay soo saartaa xoog (force) ku shaqeeya gaariga kaas oo u kordhiya xawaaraha marka uu guduro.
    • Xoogagga ku shaqeeya gaarigu had iyo jeer waa isku dheeli tiran (balanced).
    • Marka jiiradu weynaato, xoogga natiijada (resultant force) ku shaqeeya gaarigu wuu yaraadaa.
    • Marka jiiradu weynaato, xoogga natiijada (resultant force) ku shaqeeya gaarigu wuu weynaadaa.
    • Xoogga is jiidjiidka (frictional force) ayaa sii wada gaariga.

  5. 5. Arday ayaa ku qiyaasay waqtiga uu gaari (trolley) ku soo rogrogo 1.00 m oo jiiq ah saddex jeer. Waqtiyadu waxay ahaayeen 3.24 s, 3.44 s iyo 3.36 s. Xisaabi xawaaraha celceliska ah ee gaariga.

    • 0.13 m/s
    • Jawaabta saxda ah:0.30 m/s
    • 1.0 m/s
    • 3.33 m/s
    • 30.0 m/s

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