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Diagram 2.2 / Rajah 2.2
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(a)
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State the similarities of cross section area, velocity and pressure at point A and E,
if A is compared to points B and C in diagram 2.1 and E is compare to points D
and F in diagram 2.2.
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Nyatakan kesamaan tentang luas keratan rentas , halaju dan tekanan
pada kawasan A dan E, jika A dibandingkan dengan kawasan B
dan C dalam rajah 2.1 dan E dibandingkan dengan kawasan D dan F
dalam rajah 2.2.
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(i)
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Cross section area / Luas keratan rentas :
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…… smaller
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(ii)
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Velocity / Halaju :
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… bigger//faster …
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(iii)
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Pressure / Tekanan :
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…… lower …
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[3 marks/markah]
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(b)
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Based on the answers in 1 (a) name the physics principle involved.
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Berdasarkan jawapan di 1 (a) namakan prinsip fizik yang terlibat.
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Bernoulli(principle)…………………………………………………………………………………………
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[1 mark/markah]
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(c)
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Mark the water level at A , B and C in diagram 2.1
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Tandakan kenaikan aras air di A,B dan C dalam rajah 2.1
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[1 mark/markah]
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(d)
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Compare the pressure at D, E and F in diagram 2.2 when water is flowing .
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Bandingkan tekanan di D,E dan F dalam rajah 2.2 apabila air mengalir .
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………………………………………………………………………………………………
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………………………………………………………………………………………………
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[2 marks/markah]
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