1

1.DiagramA shows the situation of a sheet of paper before and when air is blown.DiagramB shows the situation of the canopy before the lorry moves and when the lorry moves at high speed.RajahAmenunjukkan keadaan kertas sebelum dan semasa udara ditiup.RajahBmenunjukkan keadaan kanopi sebelum lori bergerak dan semasa lori bergerak dengan laju yang tinggi.

Diagram A

RajahA

Diagram B

RajahB

(b)

Based on DiagramA and Diagram B:Berdasarkan RajahAdan RajahB:

(i)

Statetwosimilarities for the situations in DiagramA and Diagram B.Nyatakanduakesamaan bagi situasi dalam RajahAdengan RajahB.

1.__________________________________________________________________________________

__________________________________________________________________________________

2.__________________________________________________________________________________

__________________________________________________________________________________

[2 marks]

[2markah]

(ii)

Compare the air pressure above and below the paper when air is blown.Bandingkan tekanan udara di bahagian atas dan di bahagian bawah kertas itu semasa udara ditiup.

__________________________________________________________________________________[1 mark]

[1markah]

(iii)

Relate the speed of the air to the pressure of the air.Hubungkaitkan laju udara dengan tekanan udara.

__________________________________________________________________________________

__________________________________________________________________________________[1 mark]

[1markah]

2.Diagram below shows a boat moving towards a beach. The movement of the waves is shown in Diagram below.Rajah di bawah menunjukkan bot bergerak ke arah pantai. Pergerakan ombak ditunjukkan dalam Rajah di bawah.

Diagram /Rajah

(b)

(i)

Statetwodifferences between the water waves at points A and B.Nyatakanduaperbezaan antara ombak air di titikAdanB.

__________________________________________________________________________________

__________________________________________________________________________________

[2marks/2markah]

(ii)

Stateonesimilarity between the water waves at points A and B.Nyatakansatupersamaan antara ombak air di titikAdanB.

__________________________________________________________________________________

__________________________________________________________________________________

[1mark/1markah]

3.DiagramA dan DiagramB show two cargo ships sailing in the ocean. Cargo ship B is fully loaded with goods.RajahAdanBmenunjukkan dua buah kapal kargo yang berlayar di lautan. Kapal kargoBdipenuhi dengan barang.

Diagram A/RajahA

Diagram B/RajahB

(b)

Based on DiagramA and Diagram B,Berdasarkan RajahAdanB,

(i)

compare the volume of water displaced.bandingkan isi padu air yang disesarkan.[1 mark/1markah]

(ii)

compare the weight of water displaced.bandingkan berat air yang disesarkan.[1 mark/1markah]

(iii)

compare the buoyant force.bandingkan daya keapungan.[1 mark/1markah]

(iv)

state the relationship between the buoyant force and the weight of water displaced.nyatakan hubungan antara daya keapungan dengan berat air yang disesarkan.[1 mark/1markah]

(v)

name the principle of physics involved.namakan prinsip fizik yang terlibat.[1 mark/1markah]

2