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1. A shop-keeper places two identical blocks of cheese on a set of scales and notices that their combined mass is 240 g. Each block measures 2.0 cm x 5.0 cm x 10.0 cm.

Diagram 2

What is the density of the cheese ?

A 0.42 g / cm3

B 0.83 g / cm3

C 1.2 g / cm3

D 2.4 g / cm3

2. Two sharp nails and two blunt nails are held on a piece of wood. Each nail is hit with the same hammer with the same amount of force.When it is hit, which nail causes the greatest pressure on the wood?

Diagram 6

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3 Diagram 7 shows a simple mercury barometer. The vertical height of the mercury column is h cm.

Diagram 7

What is the pressure at S?

A h cm Hg B approximately zero C atmospheric pressure + h cm Hg

4 Which statement correctly describes the pressure exerted by the carbon dioxide?

Diagram 8

A It is equal to the atmospheric pressureB It is equal to 5 cm of mercury C It is equal to 5 cm of mercury above atmospheric pressure

h cm

3

5 The diagram shows water spurting out from a hole of a container at a distance of a.

When the level of the water decreases, what will happen to the distance, a ?

A Increases B Decreases C Remains constant

6 Diagram shows a cross section of swimming pool which has different depth

What is the maximum pressure experienced at the bottom of the swimming pool?

[ Density of water = 1000 kg m-3 ]

A 2.0 x 104 PaB 4.0 x 104 PaC 5.5 x 104 PaD 6.0 x 104 Pa

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7 Diagram shows a U-tube manometer connected to a gas tank whose valve is then turned on.

Determine the pressure of the gas in the tank. [ Atmospheric pressure = 75 cm Hg ]

A 5 cm Hg B 70 cm Hg C 75 cm Hg D 80 cm Hg E 375 cm Hg 8 Diagram shows a hydraulic device. Given area A is 0.02 m and area B is 0.01 m. The force, F, 20 N is applied on a smaller piston.

Calculate force that exerted on a bigger piston when a load W is put on it.

A 4 NB 10 NC 20 ND 40 N

W

F

Area, BArea, A

Piston

Gas tank

Mercury

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9 A mixture of gas and air is produced by a bunsen burner. Principle involved here is

A Pascal’s principle B Bernoulli’s principleC Archimedes’ principle D the principle of conservation of momentum

10 Diagram 6 shows a graph of force against extension for an elastic string.

Diagram 6

The elastic potential energy of the string is represented by the

A area under the graphB gradient of the graphC intercept on the y-axis

11 Diagram 9 shows a hydraulic system. When force, FX is applied to piston X, it moves downwards with a distance d.

Force

Extension

Piston Y

FX

FY

Piston X

d

Liquid

6

Diagram 9

Which of the following statement is correct ?

A Piston Y moves up a distance of more than dB The forces on piston X and Y are the sameC Piston Y moves up a distance of less than d D The force on piston Y, FY is less than the force on piston X

12 Diagram 11 shows a Bernoulli tube.

Diagram 11

Based on Bernoulli’s principle, which tube has the lowest water level?

A X

B Y

C Z

13 Diagram 13 shows three positions of a steel block as it is dropped into water.

U1, U2 and U3 are the upthrust produced by the water.

Water

Air flow

X Y Z

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A U1 > U2 > U3

B U1 < U2 < U3

C U1 > U2 = U3

D U1 < U2 = U3

14. Ahmad stands near the rail at a LRT station. When a fast train passes in front of him, he experiences a force that pulls him towards the rail. This phenomenon can be explained by

A Pascal’s principleB Bernoulli’s principleC Archimedes’ principle

15. A, B, and C show 3 identical concrete blocks placed in different arrangement

on the floor.Which arrangement exerts the biggest pressure on the floor?

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16. Diagram 10 shows a container containing water.

What is the pressure exerted by the water at X? [Water density = 1 000 kg m–3]

A 7 000 PaB 21 000 PaC 23 000 PaD 30 000 Pa

17. Diagram 11 shows a simple barometer.

If the atmospheric pressure is 76 cm Hg, calculate the pressure of the trapped airin the glass tube.

A 11 cm HgB 65 cm HgC 76 cm HgD 141 cm Hg

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18 The wall of a dam is much thicker at the bottom than at the top because

A pressure of water at the upper level is higher than pressure of water at the deeper levelB pressure of water at the upper level is lower than pressure of water at the deeper levelC pressure of water at the upper level is the same as than pressure of water at the deeper

19 Diagram 6 shows a ping pong ball is placed at one end of a spring which is compressed and then released. The ball moves a distance x before it stops.

Which of the following will increase the distance x?

A Use longer springB Use softer springC Use two identical springs arranged in seriesD Use spring which has smaller diameter of the spring

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20 Diagram 11 shows three wooden blocks P,Q and R are pressed into the water until its base reaches at level S. The pressure caused by the water at base of the wooden blocks P , Q and R are P1, P2 and P3 respectively.

Which statement is correct?A P1 > P2 > P3

B P1 < P2 < P3

C P1 = P2 = P3

D P1 > P2 > P3

21. Diagram 12 shows a load hung from a spring balance is slowly submerged in wateruntil it is immersed completely.

What will happen to the spring balance reading?A decreases until zeroB remains unchanged

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C decreases until reaches a constant value

22. Diagram 15 shows a card and a glass of water.

When the hand is released, water does not flow out from the glass. What physic’s concept involved in the above situation?A Liquid pressureB Atmospheric pressureC Gas pressure

23. Which of the following shows the height h, of simple mercury barometer thatmeasures the atmospheric pressure?

Which of the statements shows the applications of high pressure in everyday life?A A knife with a sharp edgeB A bulldozer with a wider tyreC Tall buildings on a base of large surfaceD Snow shoes with a larger surface area

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24. If the density of water is 1.0 x 103 Kg m-3, what is the water pressure at the base of the

dam?

A 2.5 x 102 Nm-2

B 2.5 x 103 Nm-2

C 2.5 x 104 Nm-2

D 2.5 x 105 Nm-2

25. Diagram shows a manometer is used to measure the pressure of the gas in the container.

Which statement is correct if atmospheric pressure is 76.0 cm Hg?

A The gas pressure is zeroB The gas pressure is equal to the atmospheric pressureC The gas pressure is 24.0 cm Hg more than atmospheric pressureD The gas pressure is 24.0 cm Hg less than atmospheric pressure

26 Which of the instruments applies the Pascal’s principle?

A Lift pump

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B HydrometerC Bunsen burnerD Hydraulic Jack

27. Which is the physics principle used to raise a hot air balloon.

A. Pascal’s principleB. Archimedes principleC. Bernoulli’s principleD. Principle of conservation of momentum

28. The atmospheric pressure on top of a hill is 70 cm Hg. What is this atmospheric pressure in N m-2? (g = 10 m s-2; density of mercury = 13600 kg m-3)

A. 9.52 x 104

B. 9.52 x 105

C. 9.52 x 106

D. 9.52 x 107

29. A mixture of gas and air is produced by a bunsen burner. This can be explained by

A Archimedes’ principle B Bernoulli’s principle C Pascal’s principle D the principle of conservation of momentum

30. Diagram 11.1 and Diagram 11.2 shows an object being weighed in air and in water respectively.

6.0 N

0 N 1.2 N

4.8 N

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DIAGRAM 11.1 DIAGRAM 11.2

What is the buoyant force on the object?

A 1.2 NB 4.8 NC 5.0 ND 6.0 NE 7.2 N

31. Diagram 10 shows a hydraulic device. The force, F, is able to support a load of weight, W.

DIAGRAM 10

What is the relationship between W, F, A and a?

A WA = Fa

B

C

D W + A = F + a

32 The diagram shows water spurting out from a hole of a container at a distance of a.

W

F

Area, aArea, A

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When the level of the water decreases, what will happen to the distance, a ?

A IncreasesB DecreasesC Remains constant

33. The diagram shows a submarine which is partially submerged in water.

Which relationship between the physical quantities in the above situation is correct?

A Weight of water displaced < weight of the submarine + weight of water in the ballast tank.

B Weight of water displaced = weight of the submarine + weight of water in the ballast tank.

C Weight of water displaced > Weight of the submarine + Weight of water in the ballast tank.

34. The diagram shows a stream of air flowing through a tube with a narrow neck.

Submarine

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Which of the following graphs describes the relationship between the air pressure, P and the distance, x?

A B

C D

35. Diagram 9 shows two boys X and Y, both have the same weight and are standing on soft ground.

Which boy is more likely to sink into the ground?Boy more likely to sink

Budak yang mungkin terbenamPressure on soft ground

Tekanan pada tanah lembut

Diagram 9

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A X Larger than Y

B X Smaller than Y

C Y Larger than X

D Y Smaller than X