4531/1NO KAD PENGENALAN

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Nama Pelajar : ...........................................................................

Tingkatan : ...........................................................................

SEKOLAH MENENGAH KEBANGSAAN SULTAN IBRAHIM 1,17000 PASIR MAS, KELANTAN.

PEPERIKSAAN PERTENGAHAN TAHUN

TINGKATAN 4 2012

FIZIK

Kertas Satu

Masa : Satu Jam Lima Belas Minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Arahan

1. Kertas soalan ini adalah dalam dwibahasa.

2. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu.

3. Calon dibenarkan menjawab keseluruhan atau sebahagian soalan sama ada dalam bahasa Inggeris

atau bahasa Melayu

4. Penggunaa kalkulator saintifik dibenarkan.

Kertas soalan ini mengandungi 22 halaman bercetak

FizikMei 20121 jam 15 minit

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29 A tick on the ticker tapes is

A the speed of the ticker timer

B the frequency of the ticker timer

C the dinstace between two consecutive dots

D the time interval between two consecutive dots

30 The frequency of a ticker timer is 50 Hz. The time interval between two consecutive dots is

A 0.60 s B 0.44 s

C 0.32 s D 0.30 s

E 0.20 s

31 Figure shows the ticker tape for the motion of a trolly.

28

Which of the following statement is true?

A The volcity between in region DE is same as the velocity in region A B

B Frequency in region BC is greater than frekuency in region DE

C The time in region AB is same as the time in region DE

D The velocity between in region CD is low

32

Based on the figure above , calculate the average velocity.

A 0.2 ms-1 B 0.3 ms-1

C 0.4 ms-1 D 0.5 ms-1

E 0.5 ms-1

33 What is the average velocity between PQ in the above figure ?

A 85 cms-1 B 170 cms-1

B 200 cms-1 C 240 cms-1

E 500 cms-1

34 1 N is equivalent to

A 1 kg ms-1 B 1 kg ms-2

C 1 ms kg-1 D 1 kg s m-1

35 Which of following is not effects of a constant force?

A Change the direction of motion

B Change the shape of an object

C Change the velocity of a moving object

D Change the acceleration of a moving object

36 The figure shows the graph of motion for two objects M and N is acted on by a same force.

Which comparison is correct about the mass of M and N?

A Mass of M = Mass of N

B Mass of M < Mass of N

C Mass of M > Mass of N

37 Which of the following graph is true to show the relationship between the acceleration a , the mass , m and the force ,F

38 Which of the following objects acted on by a pair of forces will accelerate?

39 The figure shows forces , F1 and F2 , exerted on a wooden block placed on a table surface. The friction between the block and the table surface is 2 N.

Which pair of forces F1 and F2 causes the wooden block to move with an acceleration?

F1 / N F2/ N

A 5 7

B 3 5

C 6 4

D 3 2

E 4 1

40 An object of mass 0.2 kg is pulled on a smooth floor by a force of 8 N. What is the acceleration of the object ?

A 20 ms-2 B 40 ms-2

C 60 ms-2 D 80 ms-2

E 160 ms-2

41 Figure shows an object of mass 2 kg is pulled on a floor by a force of 15 N. The frictional force between the object and the floor is 3 N.

What is the acceleration of the object?

A 2 ms-2 B 5 ms-2

C 6 ms-2 D 8 ms-2

E 10 ms-2

42 A box with a mass 3 kg is pushed along a rough surface with a force 10 N. If the acceleration of the box is 3 ms-2 ,

what is the frictional force between the box and the rough surface?

A 0.5 N B 1.0N

C 1.5 N D 2.0 N

E 2.5 N

43 Which one of the following physical quantities has the same unit as the unit of impulse?

A Force B Momentum

C Energy D Power

44 A trolley of mass 0.4 kg hits a stone wall with a velocity 4 ms-1 and bounces back with a velocity of 3 ms-1. What is the magnitude of the impulse during collision.

A 4.0 kg ms-1 B 0.4 kg ms-1

C 1.6 kg ms-1 D 2.8 kg ms-1

E 3.2 kg ms-1

45 An acrobat weighing 40 kg jumps from a height 8 m . Before his feet land on the ground , his velocity is

5 m s-1. What is the impulse on his legs when he lands on the ground?

A - 200 Ns B - 1 Ns

C 1 Ns D 200 N s

E 1600 Ns

46 Figure shows a graph force against time for the motion of a car during collision.

What is the impulse of the graph.

A 100 Ns B 200 Ns

C 300 Ns D 500 Ns

E 1000 Ns

47 An object of mass 0.4 kg is pulled with a force of 20 N for 10 s . How much is the impulse upon the object?

A 8 Ns B 80 Ns

C 200 Ns D 250 Ns

E 500 Ns

48 The diagram shows an athlete performing the high jump.

What is the function of the mattress?

A To reduce the collision time between the athlete and the mattress

B To reduce the change of momentum of the athlete when he hits the mattress

C To reduce the impulsive force acting on the athlete when he hits the mattress

49 A softball player moves his hand backwards while catching a fast-moving ball.

This movement of hand is to

A increase the impulsive force

B control the ball to stop it falling

C increase the stopping time of the ball

KERTAS SOALAN TAMAT

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