Module Chapter 2

Physics Form 4 CHAPTER 2

 Name

:

Class

:

Teacher’s name

:

For every action, there is an equal opposite reaction.  Isaac Newton  –   –  Isaac 1

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STRUCTURE QUESTION (PAPER 2 - SECTION A) Trial Perlis 2015 (Analysing Linear Motion) 1. Diagram 3 show a ticker tape chart obtained from the motion of a trolley. Each length of the strip contains 10 ticks at time interval of 0.02 s. the time covered for each 10 ticks strip is 0.2 s.

Length of tape (cm)

10 8 6 4 2 Time (s)

0.2

0.4

0.6

0.8

1.0

Diagram 1

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

(1 mark) (b) Based on chart above, (i) Find the total distance travelled by the trolley. ………………………………………………………………………...

(1 mark) (ii) Find the average velocity of the trolley.

(2 marks) (c) A car which has initial velocity of 2 ms-1 accelerating to 6 ms-2 in 10 seconds. How long the distance travelled by the car?

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Trial BK 2015 Terengganu (Analysing Momentum) Diagram 1.1 shows a teen of mass 40 kg and momentum of 200 kg ms-1. She jumps

2.

onto a stationary skateboard of mass 3 kg. Diagram 1.2 shows the skateboard glides with a velocity v as the girl jump onto it.

Skateboard

Diagram 2.1

Diagram 2.2

a) What is meant by momentum? ……………………………………………………………………………………………….

(1 mark)  b) What physics principle involved in Diagram 2.1 and Diagram 2.2? ………………………………………………………………………………………………..

(1 mark) c) Based on the above diagrams, dia grams, determine

i)

The total momentum of the teen and the skateboard in Diagram 2.1

(1 mark) ii)

The velocity of the teen and the skateboard, v in Diagram 2.2

(2 marks) (d)

If the mass of the stationary skateboard is 5 kg, determine the new velocity of the teen and

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Trial JUJ SET A 2017 (PAHANG) (Understanding the Effects of Forces) 3.

Diagram 1 shows a box is pulled on the floor by 100 N force and it is in equilibrium state.

Pulling force 100 N

Diagram 1 a) What is meant by resultant force? ……………………………………………………………………………………………..

(1 mark)  b) On diagram 1, draw an error of force that in opposite direction and state the force …………………………………………………………………………………………………

(2 marks) c) i)

What is value force stated in (b) ? ………………………………………………………………………………………..

(1 mark) ii)

How the type of motion experienced by the box? …………………………………………………………………………………………

(1 mark) Total : 5 marks

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Trial 2017 (SMK KHIR JOHARI PERAK) (Understanding the Effects of Forces) 4. Diagram 2 shows a 10 kg load is suspended by two threads.

Thread 1 Thread 2

load

Diagram 2 a) State the meaning of forces in equilibrium ………………………………………………………………………………………… ………

(1 mark)  b) Mark the direction of weight of load and label the value of weight in the diagram 2. (2 marks) c) i) Sketch a vector triangle for the forces in Diagram 2

(2 marks) ii) Determine the tension force on thread 1

(2 marks) iii)

Determine the tension force on thread 2

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Trial JUJ SET A 2017 (PAHANG) (Analysing Motion Graph) 5.

Diagram 1 shows a velocity-time graph of a lorry for the first 150 seconds of its journey.

Velocity, v / ms -1

Time, t / s Diagram 1 a) Tick (

) at the correct boxes. Velocity is a : Scalar quantity

Base quantity

Vector quantity

Derived quantity

(2 marks) (3 b) Based on diagram 1, describe what happens to velocity velocity and acceleration at the end of 50 s i) Velocity

……………………………………………………………………………………………… (1 mark) ii)

Acceleration

………………………………………………………………………………………………. (1 mark)

Total : 4 marks

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(Understanding Inertia) 6. Diagram 6.2(a) shows an identical jigsaw blade oscillates horizontally when a 200 g load is fixed

Diagram 6.2(b) shows the displacement-time graph for the oscillating jigsaw-blade Diagram 6. 1(a) shows a jigsaw blade oscillates horizontally when a 50 g load is fixed fix ed to it

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(a) What is the meaning of displacement? …………………………………………………………………………………………

[1 mark] (b) Observe Diagram 6.1 and Diagram 6.2 ………………………………………………………………………………………….

[1 mark] (i) Compare the mass of loads fixed to the jigsaw blade ………………………………………………………………………………………

[1 mark] (ii) Compare the period of oscillations ……………………………………………………………………………………….

[1 mark] (iii) Compare the number of oscillations in 3 Seconds …………………………………………………………………………………….

[1 mark] (iv) Relate the load of mass to the period of oscillations

……………………………………………………………………………………………

[1 mark] (v) Relate the period of oscillations to the number o f oscillations in 3 seconds …………………………………………………………………………………………..

[1 mark] (c) (i) What happen to the amplitude of oscillation of jigsaw blade after it oscillated oscillated for some time?

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Trial BK 3 TERENGGANU (Analysing Impulse and Impulsive Forces) 7. Diagram 1 shows an egg being dropped onto a wooden block. The egg cracks after an impact. The velocity of the egg just before the impact is 5 ms -1.

Egg (Before)

Egg (After) Wooden block

Diagram 1

a)  Name the the force involved involved during the impact. impact. …………………………………………………………………………………………………………..

(1 mark)  b) Give one reason why the egg cracked after the impact.

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Trial MRSM 2007 (Analysing Forces in Equilibrium) Question Question No.3 8. Diagram 7 shows a student pulling a bag with a force F force F of 120 N. .

30º 30º

Diagram 7

(a)

What is meant by force? ............….………………………………………………………………

[1 mark] (b)

On Diagram 7, mark and label the horizontal component F  x and the vertical component Fy [1 mark]

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Trial Kedah 2009, (Understanding Elasticitiy) Question No.8

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(ii)

On the graph in Diagram 8, mark mark ' X ' at the elastic limit for each spring.

[2 marks] (b)

The spring stores energy when it is extended. (i)  Name the energy stored in the spring when it is extended. …......................................................................................................................

[1 mark ] (ii) Calculate the energy stored in spring R when its extension is 8.0 cm.

[3 marks] (c)

The springs are to be used in a Newton balance to measure a maximum load of mass 8 kg. (i)

What is the maximum weight of the load?

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(Understanding Gravity) 10. Figure 7(a) and Figure 7(b) show a man standing on a weighing scale in two situations, in a lift at rest and a lift moving up at 2 ms-2

(a) Which of the two weighing scales shows the bigger reading? ………………………………………………………………………………………

[1 mark] (b) Label the two forces acting on the man in Figure 7(a).

[1 mark]

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(Understanding Work, Energy, Power and Efficiency)

11.

Diagram 2 shows a boy of mass 70 kg cycling up a hill from P. The boy takes a rest for a while at Q before continue to R. .

(a) State the type of energy of the boy at Q. …………………………………………………………………………………………………….

[l mark] (b) (i) State the change of energy of the boy when he is cycling down from Q to R.

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UNDERSTANDING AND CONCEPT QUESTIONS Trial MRSM 2016 (N0.9 (c )) 1. Diagram 1 shows a car collides with a tree.

Diagram 1 Using suitable physics concept, explain how the front bumper and airbag of a car helps the driver to minimise the injury. [4 marks) Trial Pulau Pinang 2016 (N0. 11 (b))

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Trial Terengganu 2015 (No.11 (a) (ii)) 4. Diagram show a pile driver driver used to drive a steel pile to the ground. The force force involved in driving the steel pile is impulsive force.

Diagram 4

(a) (ii) Explain how the steel pile is driven to the ground. [4 marks]

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MODIFICATION FULL FORMAT ESSAY QUESTIONS PAPER 2 SECTION B (20M) (Understanding Impulsive Force) 1. Figures 9(a) and 9(b) show pile p ile drivers with different mass being release from same heights to hit a pile. The impact causes the pile to sink into the ground.

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[4 marks]

(d) Figure 9(d) shows a rider riding a racing bike. To increase the safety of the rider, man y safety

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Trial 2007 Sekolah Teknik (Understanding Elasticitiy)

2

Diagram 9.1 and Diagram 9.2 shows a comparison comparison of two springs, M and N. Both the springs are elasticity made from the same wire and material. They are attached to load of equal weight.

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(d)

Explain how the forces between the molecules caused the elasticity . [ 4 marks]

Spring in suspension system

Diagram 9.3

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MAKING DECISION FULL FORMAT ESSAY QUESTIONS PAPER 2 SECTION C (20M) Trial Terengganu 2014 (N0.11) –  Understanding  Understanding Work, Energy, Power and Efficiency

1. Diagram 11.1 shows a steel ball of mass 0.5 kg being released on a track. The steel ball rolls down due to the gravitational potential energ y. F is the initial position and H is the maximum height reached by the steel ball.

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