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Cuf-jiidad

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I can describe the effects of gravity acting towards the centre of a nearby planet, moon or star.

Muuji qoraalka
Gravitational forces pull (attract) objects towards the centre of large objects like planets, moons and stars. The greater the mass of an object, the stronger its gravity. The gravity of a planet, moon or star extends far into space, but gets weaker with distance. Earth’s gravity pulls the Moon towards the centre of Earth, changing the Moon's direction, making it orbit around Earth. The Sun's gravity pulls Earth towards the centre of the Sun, changing Earth's direction, making it orbit around the Sun.

Warqadda shaqada

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Imtixaannada

  1. 1. Waa maxay magaca xoogga (force) soo jiita shayga dhulka?

    • xoogga magnetka (magnetic force)
    • Jawaabta saxda ah:xoogga cufisjiidadka (gravitational force)
    • xoogga isjiidjiidka (friction)
    • xoogga kor u riixaya (upthrust)

  2. 2. Dhinac ayuu u dhaqaaqi doonaa kubbad haddii aad qaaddo oo aad sii daato meel ka sarreysa dhulka?

    • Kubbaddu ma dhaqaaqi doonto.
    • Kubbaddu waxay u dhaqaaqi doontaa kor.
    • Kubbaddu waxay u dhaqaaqi doontaa bidix-ilaa-midig.
    • Jawaabta saxda ah:Kubbaddu waxay u dhaqaaqi doontaa hoos.

  3. 3. Kee buuxiyey cilmiga sayniska ee la sheegay inuu helay jiritaanka cufisjiidadka (gravity) kadib markuu arkay tufaax ka soo dhacaya geed ku yaalla beertiisa?

    • Marie Curie
    • Albert Einstein
    • Jawaabta saxda ah:Sir Isaac Newton
    • Robert Hooke

  4. 4. Halkee ayaad dareemi lahayd xoogga cufisjiidadka (gravitational force) ee dhulka ugu xooggan?

    • Koonka Caalamiga ah ee Hawada (International Space Station).
    • Meel sare ee Buurta Everest.
    • Dusha Dayaxa.
    • Jawaabta saxda ah:Heerka badda.

  5. 5. Deeqa, meeraha (planet) kee ayaa leh xoogga jiidashada (gravitational field) ugu xooggan?

    • Venus
    • Dhulka
    • Jawaabta saxda ah:Jupiter
    • Mercury

  1. 1. Mid ka mid ah weedhahan ku saabsan xoogga cufisjiidadka (gravitational force) ee shay uu ku sameeyo shay kale, kee baa sax ah?

    • Jawaabta saxda ah:Waa xoog aan taabasho lahayn (non-contact force).
    • Wuxuu keenaa soo jiidasho iyo iska fogeys.
    • Wuu joogsadaa marka shay uu dhaco.
    • Kuma shaqeeyo shayga meelaha bannaan ee hawada sare (space).

  2. 2. Maxay tahay sababta qofka lagu muujiyey qeybta koonfureed ee dhulka uusan u dhicin?

    • Jawaabta saxda ah:Xoogga cufisjiidadka ee dhulku wuxuu u shaqeeyaa dhanka xarunta meeraha.
    • Xoogga cufisjiidadka ee dhulku wuxuu ku shaqeeyaa qofka dhanka hoose.
    • Xoogga cufisjiidadka ee dayaxa ayaa qofka ku riixaya dhanka dusha dhulka.
    • Xoogag kale, sida xoogagga magnetic, ayaa ku haya meeshooda.

  3. 3. Sawirku wuxuu muujinayaa astronaut ku taal Dayaxa oo wata calan. Maxay tahay sababta calanku uusan u laaban karin dhanka dhulka Dayaxa?

    • Jawaabta saxda ah:Xoogga cufisjiidadka (gravitational force) ee dusha Dayaxa aad buu uga yar yahay kan dhulka.
    • Ma jiro cufisjiidad dusha Dayaxa oo calanka hoos u jiidaya.
    • Dayaxa waxaa ka jira dabayl calanka bidix u riixaysa.
    • Dayaxa, xoogagga cufisjiidadku waa kuwo iska celiya, ma aha kuwo soo jiidaya.

  4. 4. Halkee ayaad dareemi lahayd xoogga cufisjiidadka (gravitational force) ee dhulka ugu xooggan?

    • Jawaabta saxda ah:Dusha dhulka.
    • Meel sare oo buur ah.
    • Meel sare oo ay ku wareegaan dayax-gacmeedyada isgaarsiinta (communications satellites).
    • Meel dhexe oo u dhaxaysa dayaxa iyo dhulka.

  5. 5. Kee ka mid ah hadalladan ku saabsan xoogga cufisjiidadka (gravitational forces) waa sax?

    • Jawaabta saxda ah:Xoog cufisjiidad wuxuu u dhexeeyaa dhamaan walxaha leh cuf (mass).
    • Xoog cufisjiidad wuxuu soo jiidi karaa oo kaliya birta, wuxuuna dib u riixi karaa waxyaabaha aan birta ahayn.
    • Xoog cufisjiidad wuxuu jiraa oo kaliya inta u dhaxaysa walxaha adag.
    • Xoog cufisjiidad ee meeraha wareegaya ayaa keena inuu noqdo mid fidsan.

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