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PhysicsApril 20131 hour

STANDARDIZED TEST II, SEMESTER 1, 2015MRSM KUALA KLAWANGFORM 4PHYSICS

One hour and thirty minutes

DO NOT OPEN THE QUESTION BOOKLET UNTIL BEING TOLD TO DO SO

1. Write your name and class in the space provided.2. Answer all questions in Section A and B.3. Answer each question by blackening the correct space on the answer sheet.

4.Blacken only one space for each question.

No.No.

1ABCD16ABCD

2ABCD17ABCD

6ABCD18ABCD

4ABCD19ABCD

5ABCD20ABCD

6ABCD21ABCD

7ABCD22ABCD

8ABCD23ABCD

9ABCD24ABCD

10ABCD25ABCD

11ABCD26ABCD

12ABCD27ABCD

13ABCD28ABCD

14ABCD29ABCD

15ABCD30ABCD

Section

QuestionFull markMarks

A1 - 3030

B

15

25

36

47

57

TOTAL60

This booklet contains 13 printed pages.

Answer all questions. Section A[ 30 marks ]

1

2Which of the following is correct about mass and weight?Antara pernyataan berikut, manakah betul mengenai jisim dan berat?

A.Both mass and weight are vector quantitiesKedua-dua jisim dan berat adalah kuantiti vektor

B.Mass are scalar quantites and weight are vector quantitiesJisim adalah kuantiti skalar dan berat adalah kuantiti vektor

C.Unit for mass is the same as unit for weight.Unit untuk jisim adalah sama dengan unit untuk berat.

D.Objects with same mass have same weight. Objek yang sama jisim mempunyai berat yang sama

3

4

5

6

7

8

9

10Diagram below shows the scale of a vernier callipers when measuring the diameter of a steel ball.Rajah dibawah menunjukkan skala bagi angkup vernier untuk mengukur diameter bagi sebiji bola keluli.

Given that the zero error of the vernier callipers is 0.03 cm. What is the actual diameter of the steel ball?Diberi ralat sifar bagi angkup vernier adalah 0.03 cm. Apakah diameter sebenar bagi bola keluli tersebut?

A.3.12 cmB.3.18 cmC.3.25 cmD.3.75 cm

11A student finds that readings he obtained from a stopwatch are not consistent.Which step will help him reduce the error caused by this problem?Seorang pelajar mendapati bacaan-bacaan yang diperoleh daripada sebuah jam randik tidak konsisten.Langkah manakahakan membantunya mengurangkan ralat yang disebabkan oleh masalah ini?

A Repeat the measurement and calculate the average value. Ulang pengukuran dan hitungnilai purata.

B Check the stopwatch for zero error. Semak jam randik untuk ralat sifar.

C Repeat the measurement then choose the best value. Ulang pengukuran dan pilih nilai yang terbaik.

D Use a better quality stopwatch. Gunakan jam randik yang lebih berkualiti.

12

13A car moves with a constant velocity. The acceleration of the car is

AincreasedBdecreased

CzeroDuniformly

14Which of the following ticker tapes describes a motion with constant velocity?

A

B

C

D

15The frequency of a ticker timer is 20 Hz. The time interval between two consecutive dots is

A0.02B0.03

C0.04D0.05

16

Based on the diagram above, calculate the acceleration of the object if the frequency of ticker tape timer is 50 Hz.

A2 m s-2B5 m s-2

C7 m s-2D9 m s-2

17An object moves with a uniform acceleration. Which of the following shows the motion of the object?

A

B

C

D

18The graph below shows how the velocity of a car changes with time

Which of the following can be deduced from the graph?

AThe car accelerates uniformly

BThe car decelerates until it stops

CThe car first accelerates and then moves with a steady velocity

DThe car first decelerates and then moves with a steady velocity

19Diagram below shows a velocity-time graph of a moving object.

What is the distance travelled by the object, in unit m?

A50B 100

C 300D 450

20What is the name of the property of a body which resists a change in its state of rest or of uniform motion?

AAccelerationBDensity

CInertiaDVelocity

21The factor that affect the inertia of an object is

Athe acceleration of the object

Bthe size of the object

Cthe weight of the object

Dthe mass of the object

22Which object has the greatest inertia?

23Which of the following is the units of momentum?A NsBkg ms-2C kg s-2Dkg-1s-2

24Two trolleys of masses 2 kg and 3 kg respectively moving towards each other. Both of the trolleys are moving at same velocity of 2 ms-1. . After collision they stick together with a common velocity. What is the common velocity of the trolleys?A2 ms-1 in the original direction of the trolley of mass 2kgB2 ms-1 in the original direction of the trolley of mass 3kgC0.4 ms-1 in the opposite direction of the trolley 2 kgD0.4 ms-1 in the opposite direction of the trolley 3 kg

25Which of the following is not obeys the principle of conservation of momentum?

AThe inelastic collisionBThe elastic collisionCThe explosionD The linear motion

26

The figure above shows two trolleys A and B moving towards each other. Which of the following is true.AAn elastic collision will occurBThe total momentum of the system is conservedCThe total kinetic energy of the system is conservedDAfter collision the two trolleys will separate and move with different velocities

271 N is equivalent to A 1 kg ms-1B 1 kg ms-2C 1 ms kg-1D 1 kg s m-1

28Which of following is not effects of a constant force?AChange the direction of motion BChange the shape of an objectCChange the velocity of a moving object DChange the acceleration of a moving object

29The 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 7B 3 5C 6 4D 4 1

30A car of mass 1 200 kg travelliling at 20 ms-1 is brought to rest over a distance 40 m. Find the average braking force.A240 NB2 400 NC6 000 ND1 2000 N

Section B [20 marks]

Answer all questions.

1.A car moves with an average speed of 75 km h-1 from town Kuala Klawang to town Seremban in 2 hours as shown in Diagram 1. By using this information, you may calculate the distance between the two towns.

Diagram 1

(a)(i) Based on the statements given, state two base quantities and their respective SI units. ...............

................[2 marks]

(ii) What is the different between scalar and vector quantities

................[1 mark]

(b)Calculate the volume of a wooden block with dimensions of 7 cm length, 4 cm width and 13 cm height in m3 and express the answer in scientific notation.

[2 marks]

2.Diagram 2 shows a Vernier Calipers used to measure external diameter of a water pipe.

Diagram 2

(a)(i)Name the part labelled P.

__________________________________________________________________ [1 mark]

(ii)What is the function of P?

__________________________________________________________________ [1 mark]

(b)(i)Write down the reading, in cm, for the diameter of the water pipe.

__________________________________________________________________ [1 mark]

(ii)Why the external diameter of the water pipe must measure at different positions?

__________________________________________________________________ [1 mark]

(c)State one advantage of using a callipers compared with using a ruler in millimeters for making this measurement.

________________________________________________________________________

________________________________________________________________________ [1 mark]

3. Diagram 3 shows a velocity-time graph of a ball.

Diagram 3Time / sVelocity / cm s-120304050601324567810

(a)(i)What is meant by velocity?

__________________________________________________________________ [1 mark]

(ii)What is the initial velocity of the ball?

__________________________________________________________________ [1 mark]

(iii)State the characteristic of the motion of the ball.

__________________________________________________________________ [1 mark]

(b)Calculate the acceleration of the ball.

[2 marks]

(c)Explain how the motion of the ball obtained

__________________________________________________________________ __________________________________________________________________ [1 mark]

4. Pendulum A Pendulum B

Diagram 4.1

(a)What is inertia?

______________________________________________________________________

______________________________________________________________________ [1 mark]

(b)Compare the time required for pendulum A and pendulum B to come to stop.

______________________________________________________________________

______________________________________________________________________ [1 mark]

(c)Relate between the inertia of pendulum bob with the time required to stop.

______________________________________________________________________

______________________________________________________________________ [1 mark]

(d)Relate between the inertia of pendulum bob with the mass of pendulum bob.

______________________________________________________________________

______________________________________________________________________ [1 mark]

(c)

Diagram 4.3 shows a cheetah of mass 50 kg chasing a deer of mass 60 kg. The cheetah and the deer are moving at velocities of 20 ms-1 and 15 ms-1 respectively. Diagram 4.4 shows the cheetah has successfully caught the deer and the two of them moving at the same velocity, v m s-1.

Diagram 4.2

(i) What is the meaning of momentum?

______________________________________________________________________

______________________________________________________________________ [1 mark]

(ii) Based on Diagram 4.3 and 4.4, determine the total momentum of the cheetah and the deer

Before collision.

[1 mark]

(iv) Calculate the final velocity, v, of both the cheetah and the deer.

[1 mark]

5.

(a)Diagram 5.1 shows a wooden block on a smooth surface being acted on by two forces. The wooden block is not moving. Diagram 5.2 shows a car moving at constant velocity along a straight horizontal road.

Diagram 5. 1 Diagram 5.2

Based on the situations in Diagram 5.1 and 5.2,

(i) State the similarities between the magnitude and direction of the forces F1 and F2, F and P.

Magnitude: __________________________________________________

Direction: ___________________________________________________ [2 marks]

(ii) What is the net force in both situations?

_____________________________________________________________ [1 mark]

(iii) Based on your asnwers in 5 a (i) and 3 (a) (ii), name the physics concept involved. _____________________________________________________________ [1 mark]

(b)Diagram 5.3 shows an aircraft flying at a constant height.

Diagram 5.3

In this situation, F3 is greater than F4.

(i) Describe the motion of the aircraft. ___________________________________________________________________ [1 mark]

(ii) Explain your answer in 5 (b)

___________________________________________________________________ ___________________________________________________________________ [2 marks]