Cadaadis

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Faahfaahinta casharka

Natiijada casharka

I can describe and calculate pressure, the effect of a force acting over an area.

Muuji qoraalka

Pressure is a measure of how concentrated a force is. Pressure = force ÷ area. Pressure is measured in newtons per square metre or per square centimetre. Another name for newtons per square metre is the pascal (Pa).

Warqadda shaqada

weli lama diyaarin

Imtixaannada

1. Jaantusku wuxuu muujinayaa xoog (force) ku shaqeynaya buufin (balloon) oo saaran miis, iyadoo gacan hoos u riixaysa. Waa kuwee hadallada (statements) saxda ah?
- Xooggu wuxuu sababaa in buufintu dardarto (speed up).
- Jawaabta saxda ah:Xooggu wuxuu sababaa in buufintu qaabkeeda beddesho (change shape).
- Buufintu waxay saari doontaa xoog kor u kaca (upwards force) gacanta.
- Buufintu waxay saari doontaa xoog hoos u dhaca (downwards force) miiska.
- Miisku wuxuu saari doonaa xoog kor u kaca (upwards force) buufinta.
2. Xooggee ayaa ku dhaca walxaha sida gogol-xirta ama xariijimaha (rubber bands) oo sababa inay kala baxaan?
- xoogga cufisjiidadka (gravitational force)
- Jawaabta saxda ah:xoogga jiidista (tension)
- xoogga magnetka
- xoogga kor-u-qaadista (upthrust)
- xoogga korantada (electrostatic)
3. Miisaanka qolka qubayska (bathroom scales) wuxuu muujinayaa 110 kg. Waa maxay culeyska (weight) shayga ku yaal miisaanka? Xoogga cufisjiidadka (gravitational field strength) Dhulka waa 10 N/kg
- 110 N
- 11.0 N
- Jawaabta saxda ah:1100 N
- 11 000 N
- 1.1 N
4. Spring-ga (spring) waxaa loo isticmaalaa newton meter-ka (newton meter). Dhererka guud ee spring-ga wuxuu kordhaa 2 cm marka xoog (force) ah 4 N uu ku dhaqmo. Kee ayaa ka mid ah hadalladan ku habboon?
- Dhererka guud ee spring-ga wuxuu labanlaabmi doonaa marka 8 N la saaro.
- Jawaabta saxda ah:Kordhinta (extension) spring-ga ayaa labanlaabmi doonta marka 8 N la saaro.
- Dhererka guud ee spring-ga wuxuu ahaan doonaa isku mid marka 8 N la saaro.
- Dhererka guud ee spring-ga wuxuu labanlaabmaa mar kasta oo 4 N lagu daro.
5. Doontaani waxay sabeynaysaa korka biyaha. Doontu waxay leedahay cuf (mass) ah 120 kg, rakaabkiina wadarta cufkoodu waa 80 kg. Waa immisa xoogga kor u riixaya (upthrust) ee ku shaqeeya doonta?
- 120 N
- 200 N
- 1200 N
- Jawaabta saxda ah:2000 N
- 400 N

1. Waa kee mid ka mid ah kuwan soo socda oo kordhin doona cadaadiska (pressure) ku shaqeeya dusha sare?
- Jawaabta saxda ah:Kordhinta xajmiga xoogga (force).
- Yaraynta xajmiga xoogga.
- Kordhinta bedka (area) uu xooggu ku shaqeeyo.
- Yaraynta bedka uu xooggu ku shaqeeyo.
2. Waa kuwee kuwan mid kasta oo ah halbeegyada cadaadiska (pressure)?
- newtons
- newtons halkii sentimitir
- Jawaabta saxda ah:pascals
- newtons halkii mitir laba jibaaran
- newtons halkii sentimitir laba jibaaran
3. Xoog dhan 300 N ayaa ku shaqeeya aag dhan 20 cm$$^2$$. Waa imisa cadaadis (pressure) uu xooggu keeno?
- 0.07 N/cm$$^2$$.
- Jawaabta saxda ah:15 N/cm$$^2$$.
- 6000 N/cm$$^2$$.
- 280 N/cm$$^2$$.
- 320 N/cm$$^2$$.
4. Mid ka mid ah kuwan ayaa la mid ah cadaadiska (pressure) 100 000 Pa?
- 100 000 N/cm$$^2$$.
- 1000 N/cm$$^2$$.
- Jawaabta saxda ah:10 N/m$$^2$$.
- 1 N/m$$^2$$.
- 0.000 1 N/cm$$^2$$.
5. Meesha fadhiisiga (bench) ee culeyskeedu yahay 800 N ay taabato dhulka bed ahaan 400 cm². Waa imisa cadaadiska (pressure) ay ku saarto dhulka, oo lagu qiyaaso pascals?
- 0.5 Pa
- 2.0 Pa
- 5000 Pa
- Jawaabta saxda ah:20 000 Pa
- 200 000 Pa

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