paper 1 w ans

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1. A car accelerates from rest. The below graph shows how the car’s speed changes with time. Graf halaju-masa di bawah menunjukkan sebuah kereta bermula dari pegun How far does the car travel before it reaches a steady speed? Berapa jauhkan kereta itu bergerak sebelum ia mencapai kelajuan seragam? A 100 m B 200 m C 300 m D 400 m E 800 m Time/s Masa / s 40 20 Speed / ms -1 laju / ms -1 / penghalang

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Page 1: paper 1 w ans

1. A car accelerates from rest. The below graph shows how the car’s speed changes with time.

Graf halaju-masa di bawah menunjukkan sebuah kereta bermula dari pegun

How far does the car travel before it reaches a steady speed?Berapa jauhkan kereta itu bergerak sebelum ia mencapai kelajuan seragam?

A 100 m

B 200 m

C 300 m

D 400 m

E 800 m

2. Based on the above diagram, which property of the motorcyclist is responsible for his

fall?

Time/sMasa / s

40

20

Speed / ms-1

laju / ms-1

/ penghalang

Page 2: paper 1 w ans

Berpandukan pada rajah di atas , apakah konsep fizik yang terlibat menyebabkan dia jatuh?

A Inertia Inersia

B Principle of conservation of energy Prinsip Keabadiaan Tenaga

C Principle of conservation of momentum Prinsip Keabadian Momentum

3. Team A and Team B are pulling in opposite direction on a rope. The forces that act on the rope are shown in the diagram below.

Pasukan A dan pasukan B sedang menarik tali pada arah yang bertentangan. Daya yang dikenakan pada tali adalah seperti yang ditunjukkan pada rajah di bawah.

Which single force has the same effect as the two forces shown?Daya yang manakah mempunyai kesan yang sama dengan dua daya yang ditunjukkan?

A 150 N acting towards the team A 150 N bertindak pada arah pasukan A

B 150 N acting towards the team B 150 N bertindak pada arah pasukan B

C 350 N acting towards the team A 350N bertindak pada arah pasukan A

D 350 N acting towards the team B 350 N bertindak pada arah pasukan B

4. A ball of mass 0.5 kg is being kicked by a force of 10 N. If the force is exerted in 0.2 s, what is the impulse experienced by the ball?

Sebiji bola berjisim 0.5 kg ditendang dengan daya 10 N. Jika daya dikenakandalam masa 0.2 s, berapakah impuls yang dialami oleh bola?

450 N600 N

rope

Team APasukan A

Team BPasukan A

Page 3: paper 1 w ans

A 0.8 N s

B 2.0 N s

C 10.2 N s

D 30.0 N s

E 50.0 N s

5. Diagram below shows the horizontal forces acting on the motorcycle when it is accelerating.

Rajah di bawah menunjukkan daya-daya mendatar yang bertindak ke atas motosikal yang sedang memecut.

Which of the following statement is true?Antara pernyataan berikut, yang manakah benar?

A A resultant force is equal to zero Daya paduan sama dengan sifar

B A resultant force is not equal to zero Daya paduan tidak sama dengan sifar

C Forward thrust is equal to resistant forces Daya tujah ke hadapan sama dengan daya rintangan

D Forward thrust is less than resistant forces Daya tujah ke hadapan kurang daripada daya rintangan.

6. Diagram below shows the movement of a balloon when the air in it is being released.Rajah di bawah menunjukkan pergerakan sebuah belon apabila udara dikeluarkan.

ThrustDaya tujah

ResistantDaya rintangan

FrictionGeseran

Page 4: paper 1 w ans

The movement of the balloon can be explained byPergerakan belon boleh diterangkan dengan

A the concept of inertia konsep inertia

B the concept of equilibrium of forces konsep keseimbangan daya

C principle of conservation of energy prinsip keabadiaan tenaga

D principle of conservation of momentum prinsip keabadiaan momentum

7. Diagram below shows a cyclist riding along a hilly road without applying brake.Rajah di bawah menunjukkan seorang pelumba menunggang basikal melalui jalan berbukit tanpa guna brek.

At which position does the cyclist have the least kinetic energy?Di kedudukan manakah pelumba mempunyai tenaga kinetik yang minimum?

8. The spring constant of a spring can be increased by

Ejection of airPerlepasan udara

Movement of balloonPergerakan belon

Balloon Belon

A

B

C

Page 5: paper 1 w ans

Pemalar spring boleh bertambah dengan

A increasing the length of the spring menambahkan panjang spring itu

B decreasing the diameter of the spring mengurangkan diameter spring

C decreasing the diameter of the wire of the spring mengurangkan diameter dawai spring

10.

11.

Which of the following shows a distribution that is consistent and accurate?Manakah antara berikut menunjukkan taburan yang persis dan jitu?

Diagram 3 shows a velocity-time graph for the motion of an object.Rajah 3 menunjukkan satu graph halaju-masa bagi suatu objek yang bergerak.

Page 6: paper 1 w ans

Diagram 3Rajah 3

Based on the graph, which of the following statement is true?Berdasarkan graf, manakah antara pernyataan berikut adalah benar?

A The car moves with constant velocity and then stopKereta itu bergerak dengan halaju tetap dan kemudian berhenti

B The car moves with constant acceleration and then stopKereta itu bergerak dengan pecutan tetap dan kemudian berhenti

C The car moves with constant acceleration and then constant velocityKereta itu bergerak dengan pecutan tetap dan kemudian halaju tetap

D The car moves with constant acceleration and then constant decelerationKereta itu bergerak dengan pecutan tetap dan kemudian nyahpecutan tetap

12. The net force on an object is not equilibrium when Daya bersih bagi sesuatu objek tidak berada di dalam keseimbangan bila

A the object moves with constant acceleration. Objek bergerak dalam keadaan pecutan yang sekata

B the object is stationary Objek berada dalam keadaan pegun

C the object moves with constant velocity. Objek bergerak dalam keadaan halaju yang sekata

D the object is slowing down Objek jatuh perlahan-lahan

Velocity Halaju

Time Masa

Page 7: paper 1 w ans

13. Which of the following statement about inertia is correct?Antara pernyataan berikut yang manakah benar mengenai inertia?

A An object with high inertia has low massSatu objek yang mempunyai inersia yang tinggi mempunyai jisim yang

rendah

B An object with high inertia can oscillate fasterSatu objek yang mempunyai inersia yang tinggi boleh berayun lebih cepat

C An object with high inertia hard to stop and to moveSatu objek yang mempunyai inersia yang tinggi susah untuk berhenti dan bergerak

14. A student takes 2 minutes to run 800 m. What is his average speed in ms-1?Seorang pelajar mengambil masa 2 minit untuk berlair sejauh 800 m. Apakah purata kelajuannya dalam ms-1?

A 400

B 5.0

C 6.7

D 1.2

15. The graph shows the motion of a car in a straight line. Graf menunjukkan halaju – masa bagi satu gerakan.

How long will it take for the car to travel a distance of 260 m?

16

12

0 10 20 25 t/s

v/ms-1

Page 8: paper 1 w ans

Berapakah masa yang diambil oleh kereta itu setelah 260 m?

A 5 seconds C 15 seconds 5 saat 15 saat B 10 seconds D 20 seconds 10 saat 20 saat

16. Which object has the greatest inertia ?Objek yang manakah mempunyai inersia paling besar? A B

A bicycle of mass 15 kg An aeroplane of mass 1.2 x 10 5 kg Basikal berjisim 15 kg Kapal terbang berjisim 1.2 x 10 5 kg

C D

A car of mass 2000 kg A yatch of mass 1.1 x 10 8 kg Kereta berjisim 2000 kg Kapal berjisim 1.1 x 10 8 kg

17. An object is dropped into a well of 20 m deep. Calculate the time taken for the object to reach the bottom of the well. ( g = 10 ms-1)Sebuah objek dijatuhkan kedalam perigi yang kedalamannya adalah 20 m. Kirakan masa yang diambil untuk objek tersebut sampai ke dasar perigi itu ? ( g = 10 ms-1)

A 1 s

B 2 s

C 3 s

Page 9: paper 1 w ans

D 4 s

18. Which object moves with the largest acceleration?Objek yang manakah bergerak dengan pecutan paling besar?

A B

C D

19. A boy kicks a ball of mass 1.3 kg with a force of 60 N and the time of impact between his boot and the ball is 0.1 s.What is the impulse of the ball?Seorang budak menendang sebiji bola berjisim 1.3 kg dengan daya 60 N dan masa perlanggaran di antara but dan bola ialah 0.1 s.Berapakah impuls bola itu?

A 6 N s

B 46 N s

C 250 N s

D 600 N s

20. Diagram 4 shows a box weighing 10 N resting inclined surface. The forces acting on the box are in equilibrium.Rajah menunjukkan satu kotak yang beratnya 10 N di atas landasan condong. Daya

daya yang bertindak keatasnya dalam keseimbangan.

2 kg4 N

3 N3 kg

9 N 4 N

1kg kg

2 N

1 N

6 N 11 N2 kg

Page 10: paper 1 w ans

Diagram 4 Rajah 4

The value of F2 isNilai F2 adalah

A 10 N C (10 cos 300) N

B (10 sin 300) N D (10 sin 300 – F3) N

21. The diagram shows a displacement–time graph for the motion of an object.

6

0 2 5 8

The momentum of the object is zero from

A. 0 s to 2 s

B 2 s to 5 s

C 5 s to 8 s

D 0 s to 8 s

22. The diagram shows a coin is placed on a cardboard covering the top of a beaker. When the card is quickly pulled horizontally , the coin falls into the beaker.

Displacement / m

Time / s

Coin

Card

Beaker

Page 11: paper 1 w ans

Which property of the coin makes this possible?

A Density

B Inertia

C Volume

D Thickness

Page 12: paper 1 w ans

23. Which diagram correctly shows the addition of the 3 N and 4 N forces?

A 5 N

3 N

4 N

B 5 N

3 N

4 N

C 5 N

3 N

4 N

D 5 N 3 N

4N

Page 13: paper 1 w ans

24. The diagram shows an aeroplane flying at a constant velocity.

Which relationship between the forces is true?

A U = W

B F > G

C U < W

D F = G

25. Diagram shows a leaf and a stone being released at the same time.

leaf stone

ground

Why the stone reaches the ground faster than the leaf?

A The stone has a greater mass.

B Air resistance acted on the stone is smaller.

C The force of gravity acted on the stone is greater than the force of gravity acted on the dried leaf.

D The force of gravity acted on the dried leaf is greater than the force of gravity acted on the stone.

Page 14: paper 1 w ans

26. The diagram shows a book falling down from a table.

Which physical quantity of the book increases while it is falling?

A mass

B momentum

C acceleration

D potential energy

27. The diagram shows a high-jumper falls on a thick mattress.

The purpose of putting a mattress after the bar is to

A decrease the impulsive force

B decrease the stopping time of the high-jumper.

C decrease the velocity of the high-jumper.

D decrease the jumping time of the high-jumper.

Page 15: paper 1 w ans

28. The diagram shows a squid moving forward by discharging a jet of water from its body.

The forward movement of the squid can be explained by

A conservation of energy

B Newton’s First Law of motion

C conservation of momentum

D Newton’s second law of motion

29. A student is pulling a trolley with an iron chain which makes an angle of 60° with the horizontal.

If the tension of the spring is 4 000 N , what is the horizontal force?

A 1 000 N

B 2 000 N

C 2 400 N

D 3 464 N.

E 4 000 N

Page 16: paper 1 w ans

PAPER 11. 11. C 2. 12. A3. 13. C4. 14. C5. 15. D6. 16. D7. 17. B8. 18. A9. 19. A10. 20. C

21. A 22. B 23. A24. D 25. B 26. B27. A 28. C 29. B