qp2ch1&2a

7/28/2019 QP2Ch1&2A

1/23

SPM PAPER 2 2003. Section A No.1 (4 marks)

Section A

1 Diagram 1 shows a vernier calipers used to measure external diameter of ahollow cylinder.

Diagram 1

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

[1 mark]

(ii) What is the function of X?

..[1 mark]

(a) The external diameters of the cylinder at four different places are shown in thetable below.

External diameter /cm Relative deviation %

2.04 2.05 2.04 2.06 0.37

(i) Why is the external diameter measured four times?

[1 mark]

(ii) What is the purpose of calculating the relative deviation?

.[1 mark]

1

1

7/28/2019 QP2Ch1&2A

2/23

SPM PAPER 2 2003 SECTION A NO. 6 ( 8 marks)

2 Diagram 2 is a stroboscopic photograph shows two steel balls in a

state of free-fall.Both balls are dropped simultaneously from the same height.

Diagram 2

(a)Observe the photograph and state two similarities between the positions o theballs.

[2 marks]

(b)Name one physical quantity which causes the balls to fall..

[1 mark]

(c) Based on the positions of the free-falling balls, there is a physical quantity that isconstant.

(i) Name the quantity.

[1 mark]

2

2

7/28/2019 QP2Ch1&2A

3/23

(ii) What is the value of the quantity and its unit?

[1 mark](iii) State how the mass of a ball affect the value of the physical quantity

stated in (c)(i).

..[1 mark]

(d)A ball is thrown vertically upwards at a certain velocity.

(i) What happens to the motion of the ball as it moves upwards?

..[1 mark]

(ii) Give one reason for your answer.

..

..[1 mark]

3

3

7/28/2019 QP2Ch1&2A

4/23


3. Diagram 3.1 and Diagram 3.2 show two ways in which a gardener moves a wheelbarrowon a muddy road.

Weight, W Weight, W

Diagram 3.1 Diagram 3.2

On Diagram 3.1 and Diagram 3.2, indicate and label:

(i) the direction of force Fexerted by the gardener on the handle of each wheelbarrow tomake it move.

[2 marks]

(ii) the direction of the vertical component FY, of the force in (a)(i). [2 marks]

(b) (i) Based on the answers in (a)(i) and (a)(ii), which of the ways is more suitable on the

muddy road?

[1 mark]

(ii) Explain the reason for your answer in (b)(i).

[2 marks]

(c) The wheel of the wheelbarrow exerted pressure on the muddy road. The resultant forceexerted by the wheel on the road surface is 500 N and the area of the wheel in contactwith the road is 2 x10

-3 m2

(i) What does the wordpressure mean?

..[1 mark]

(ii) Calculate the pressure exerted on the surface of the muddy road.

4

4

7/28/2019 QP2Ch1&2A

5/23

[2 marks]

(iii) State one modification that could be made to the wheelbarrow to reduce the pressureexerted on the road. Explain your answer.

[2 marks]

SPM PAPER 2 2004 SECTION A N0. 1 (4 marks)

4 Diagram 4.1 shows the meniscus of oil in a measuring cylinder. P, Q and R are three eye

positions while measuring the volume of the oil.

5

5

7/28/2019 QP2Ch1&2A

6/23

DIAGRAM 4.1

(a) (i) which position of the eye is correct while taking the reading of the volume of oil?

..[1 mark]

(iii) Give one reason for the answer in (a)(i).

.[1 mark]

(b) The oil in the measuring cylinder is replaced with 30 cm of mercury.

(i) In Figure 4.2, draw the meniscus of the mercury in the measuring cylinder.[1 mark]

DIAGRAM 4.2

(ii) Explain what causes the shape of the meniscus of mercury you have drawn in (b)(i).

[1 mark]


5. Diagram 5.1 shows a man standing on a stationary boat. He then jumps out of the boat

onto the jetty. The boat moves away from the jetty as he jumps.

6

6

7/28/2019 QP2Ch1&2A

7/23

DIAGRAM 4.1

(b) State the physics principle that is involved in the movement of the boatas the man jumps onto the jetty.

[ 1 mark]

(c) Explain why the boat moves. away from the jetty when the man jumps.

....

[ 1 mark]

(c) The mass of the man is 50 kg and he jumps at a velocity of 2 m s -1 . Themass of the boat is 20 kg.

Calculate the velocity of the boat as the man jumps.

]2 marks]

(d) Name one application of the physics principle stated in (a) in anexploration of outer space.

[1 mark]


6. Diagram 6.1 shows the arrangement of apparatus in an experiment to

7

7

7/28/2019 QP2Ch1&2A

8/23

determine the relationship between the extension e of a spring T withweight W. The relationship of e with W. is shown in the graph inDiagram 6.2.

Diagram 6.1

Diagram 6.2

(a) A law states that;

The extension of a spring is directly proportional to the force applied if

the elastic limit of the spring is not exceeded.

(i) Name this law.

.

[ 1 mark]

(ii) Mark with a cross ( x ) the elastic limit of the spring on the graph in Diagram.6.2. [ 1 mark]

(b) The spring stores energy when it is extended.Calculate the energy stored in the spring when it is extend by 4 cm.

[3 marks]

8

8

7/28/2019 QP2Ch1&2A

9/23

(c) Another spring, identical to spring T, is added to the arrangement in Diagram 6.1.This new arrangement is shown in Diagram 5.3. The experiment is then repeated.

Diagram 6.3

Sketch the graph ofWagainst e for this experiment on the graph in Figure 6.2.[ 1 mark]

9

9

7/28/2019 QP2Ch1&2A

10/23


7 Diagram 7.1 shows a feather and a water droplet falling from the same height. The mass ofthe feather and water droplet is the same and both are dropped simultaneously at time t = 0.

Water droplet feather Diagram 7.1

The graph in Diagram 7.2 shows the motion of the feather and the water droplet from time t =0.

Diagram 6.2

(a) Name one force acting on the feather and the water droplet.

..[1 mark]

10

10

7/28/2019 QP2Ch1&2A

11/23

(b) Using Diagram 7.1, compare the surface area of the feather and the waterdroplet.

[1 mark]

(c) Using the graph in Diagram 7.2, compare the changes in velocity of the featherand the dater droplet.

[3 marks]

(d) Using your answers in (b) and (c), state the relationship between the surface area and

the final velocity.

[1 mark]

(e) The feather and the water droplet are dropped in a vacuum. Sketch a velocity-

time graph to show the motion of both objects.

V

11

11

7/28/2019 QP2Ch1&2A

12/23

[2 marks]


8. Figure 8.1 shows the scale of an ammeter.

Mirror

Diagram 8.1

(a) Name the physical quantity measured by the ammeter.

[1 mark]

(b) In the space below, draw the symbol for an ammeter.

12

12

7/28/2019 QP2Ch1&2A

13/23

[1 mark]

(c )What is the value of the smallest division on the scale?

.A

[1 mark]

(c) State the function of the mirror located under the scale.

[1 mark]


9. student studies the effect of the movement of a lift on the readings of a weighing

scale.mass of the student is 50 kg.

In this study. the student stands on a weighing scale in a lift as shown in Diagram 9.1

He records the readings of the weighing scale when the lift is at rest, moving

up with acceleration, moving up with uniform velocity, moving down with

uniform velocity and moving down with deceleration.The readings of the weighing scale in the study are shown in Table 9.1.

13

13

Lift

Weighing scale

Diagram 9.1

7/28/2019 QP2Ch1&2A

14/23

Movement of the lift Readings of the weighing scale/kg

At rest 50

Moving up with acceleration60

Moving up with uniform velocity 50

Moving down with uniform velocity50

Moving down with deceleration 60

Table 9.1

( a ) The mass of the student is 50 kg.

What is the weight of the student in newtons?

...............................N

[ 1 mark]

b) State two types of movement of the lift when the reading on the weighing scale is

equal to the mass of the student.

1. ...........................................................................................................................

2. [2 marks]

(c) Fis the resultant force that acts on the student.

Ris the normal reaction of the weighing scale on the student. m is

the mass of the student.

gis the gravitational acceleration.

Write a general equation to show the relationship between F, R, m and g.

[ 1 mark]

(d) When the lift moves up with acceleration, the normal reaction is greater than his

weight.

Explain why.

..

..

..[2 marks]

14

14

7/28/2019 QP2Ch1&2A

15/23

(e) (i)What is observed on the reading of the weighing scale when the lift moves downwith acceleration?.

.[1 mark]

(ii) Give a reason for your answer in (e)(i)

.

.[1 mark]


10. Diagram 10.1 shows an electric circuit.

Diagram 10.1

(a)(i) Name instrument Q.

[1 mark]

(ii) What is the function of R in the circuit?

[1 mark]

(a) Diagram 10.2 shows two types of ammeters, X and Y, that can be used in thecircuit in Diagram 10.1.

15

15

7/28/2019 QP2Ch1&2A

16/23

Ammneter X Ammeter Y

Diagram 10.2

(i) Which ammeter is more sensitive?

[1 mark]

(ii) State one reason for answer in 1(b)(i).

.[1 mark]


11. Diagram 11.1 and Diagram 11.2 show a student throwing an iron ball in ashot put event using different throwing techniques. The angle of projection andthe force used by the student in both techniques are the same.

DIAGRAM 11.1

16

16

7/28/2019 QP2Ch1&2A

17/23

DIAGRAM 11.2

(a) Observe Diagram 11.1 and Diagram 11.2.(i) Compare the distance of the hand movement to throw the iron ball.

[1 mark]

(ii) Based on the answer in 11(a)(i), compare the work done by the studentbetween the twothrowing techniques.

[1 mark]

(iii) If the force which acts on the iron ball is 20N and the distance of handmovement is 0.5 m, calculate the work done by the student.

[2 marks]

(b) (i) Based on the answer in 11(a)(i), state the relationship between the energy gained bythe iron ball and the distance of projection.

[1 mark]

ii) State the principle involved.

[1 mark]

(c) (i) Using Diagram 10.1, what happens to the falling time if an iron ball of a bigger mass isused?

[1 mark]

(ii) Give one reason for your answer in 11(c)(i).

[1 mark]

17

17

7/28/2019 QP2Ch1&2A

18/23


12 DIAGRAM 12.1 and Diagram 12.2 show two identical mirrors which are hang on thewall using strings, of the same length.

DIAGRAM 12.1 DIAGRAM 12.2

18

18

7/28/2019 QP2Ch1&2A

19/23

The two mirrors are in equilibrium state. Each mirror has amass of 2kg. Each string can withstand a maximum force of 15N.

(a)What is meant by equilibrium state?

.[1 mark]

(b)What is the weight of any one of the mirrors?

[1 mark]

(c )In the space below, draw a diagram of a triangle of forces that actson the mirrors in Diagram 12.1 and Diagram 12.2

Diagram of a triangle of forces Diagram of a triangle of forcesFor Diagram 12.1 For Diagram 12.2

(d)T1 and T2 are the tensions of the string that act on the mirrors in Diagram 12.1 andDiagram 12.2 respectively.(i) In the space below, draw the scale drawings of triangles of forces to determine thevalues of T1 and T2

[ Use the scale 1 cm : 2N]

T1 = .cm

= N

19

19

7/28/2019 QP2Ch1&2A

20/23

T2 = .cm

= N

[4marks]

(ii)Based on your answer in 12(d)(i), which is the most suitable method to hang the mirror?Give one reason for your answer.

..

[2 marks]

If the string in Diagram 11.1 is cut, the mirror will fall down in 0.6 s.

Calculate the final velocity of the mirror before it touches the surface of the floor.

[2 marks]

SPM Paper 2 2007 SECTION A NO. 4 (7 Marks)

13. Diagram 13 shows a worker lifting a load of mass 20 kg using a pulley system. Theworker applies force of 220 N to pull the rope down a distance of 0.5 m. The load israised to a height of 0.5 m.

DIAGRAM 13

(a) what is meant by work?

..

[1 mark]

(b) Calculate the work done

20

20

7/28/2019 QP2Ch1&2A

21/23

(i) by the worker to pull the rope down a distance of 0.5 m.

[2 marks]

(ii) on the load to raise it to a height of 0.5 m.

[2 marks]

(c) (i) Compare the work done in 12 (b)(i) ang 12(b)(ii)

.

[1 mark]

(ii) State why there is a difference between the work done in 12(b)(i)

and12(b)(ii).

...........

[1 mark]

SPM Paper 2 2008 SECTION A NO. 5 (7 marks)

14 Diagram 14.1 shows two boys pushing a large box. After some t ime, the box still

remains stationary.

Diagram 14.1

Diagram 14.2 shows an aircraft moving forward with a uniform velocity at aconstant height.

21

21

7/28/2019 QP2Ch1&2A

22/23

Diagram 14.2

Based on the situation in Diagram 14.1 and the situation in Diagram 14.2,

(i) state similarities about the magnitudes and directions of the forces

FI and F 2 , F 3 and F 4 .

Magnitudes.

Directions.

[2 marks]

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

.[1 mark]

(iii) Based on the answers in 14(a)(i) and 14(a)(ii), name the physics concept involved.

..[1 mark]

(b) (i) Another aircraft has F3 greater than F4. Describe the motion of this aircraft.

..[1 mark]

Explain the answer in 14(b)(i).

[2 mark]

22

22

7/28/2019 QP2Ch1&2A

23/23

23

qp2ch1&2a

Documents