physics holiday program - skor...

PUSAT TUISYEN SKOR MINDA

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Physics Holiday Program

What we will cover here

1. Brief intro about Base quantities

2. Conversion of units with different prefixes

3. Technique to answer the 10m questions. Discussion

Question 1:

1. Convert the following




Question 2:

When the 1kg of load is place on the single spring, it extends to 4cm, Find

a) The total length of extension when the load is place on series

b) The total length of the extension when the load is place on parallel spring


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Question 3:

Below is a graph which represents Forces versus the length of the spring. It is known that the Forces is

proportional to the amount of load.

1. Determine the spring constant?

2. Why does the line curve as the spring is loaded with more load?

Question 3:

From the ticker tape below find the

a) Initial Velocity

b) Final Velocity

c) Acceleration

i.

ii.


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Discussion The observation below can be demonstrated by Newton’s principle. We have seen this situation very

often in our daily life.

1. Given the situation below, explain the observation base on the principle of inertia

Discussion 1: ………………………………………………………………………………………………………………………………………

Discussion 2: ………………………………………………………………………………………………………………………………………

Discussion 3: ………………………………………………………………………………………………………………………………………

2. What will happen when the card board is pulled quickly?

Discussion 1: ………………………………………………………………………………………………………………………………………..

Discussion 2: ………………………………………………………………………………………………………………………………………..


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Forces and Net Force

Question 1:

Find the Net Force?

Question 2:

Find the acceleration of the given object

Question 3:

Determine the acceleration of the given object


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Question 4:

Diagram below shows that the metal bob with 500g is in equilibrium state.

Find the

Tension of A

Tension of B

Tension of C

Question 5

Given that the a block of wood is hang on the wall. It is in equilibrium position.

Determine the

Tension 1

Tension 2


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Air Pressure

Question 1:

Base on the diagram, it is shown that the depth of the swimming pool is 5m. The density of the water is

at 1000

a. What is the definition of atmospheric pressure?

………………………………………………………………………………………………………………………………

b. What is the definition of water pressure?

……………………………………………………………………………………………………………………………….

c. What is the water pressure at the bottom of the swimming pool?

d. What is the water pressure at the dotted position show in the figure above?


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Question 2

The hydraulic pump is installed in Syarikat Motor Sdn. Bhd. The dimension of area for the A1 and A2 is

given by and

a. What is the weight of the car?

………………………………………………………………………………………..

b. Calculate the pressure experience by the B

c. Now much Force is need at F1 to lift up the car in the B

d. IF the piston in A moves down by 60 cm, how much will the piston B moves up?

e. IF the air bubble is trapped in the hydraulic pump, what would be the implication to the defect

caused ?

…………………………………………………………………………………………………………………………………………………………..


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Heat and Thermal Equilibrium

Question 1

Two objects with mass A and mass B are held together. The temperature of mass A was initially

and the temperature of mass B was Celsius. If the final temperature of after 1 hour is ,

determine the initial temperature of mass B.

Hints: Mass A 50kg, Mass B 35kg, ,

Question 2: Two liquid P and Q has the mass of 5kg and 10kg. If liquid P is while the temperature of Q is . The specific heat capacity of P is while the heat capacity of Q is . Find the final temperature when both mixtures is mixed? Question 3: Two liquid P and Q has the mass of 7kg and 5kg. If liquid P is while the temperature of Q is . The specific heat capacity of P is while the heat capacity of Q is 40 . Find the final temperature when both mixture is mixed together?


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10 m Questions

We call these questions the 10M questions. The technique of answering the 10m questions is simple and

less demanding. There are two types of questions which are required to help you to solve the 10m

questions

Question1

Let’s discuss the safety feature of a car. Base on the following characteristics, describe how a car

manufacturer enhance the safety feature of a car?

Cushion

Interior of a car

Braking system

Frame of the Car

Tyre of the car

• 5 Observations/ Characteristics

• 5 Inferences/ Reasons/ Adj

METHOD 1

• 4 Observations/ Characteristics

• 4 Inferences/ Reasons/ Adj

• 1 Conclusion

Method 2


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Question:

A construction engineer would like to build a road up a hill with angle. The road will lead up to the

top of the hill. The road will be very winding and a good implementation needed to make this project a

success. The implantation below will be important. Discuss

Type of road surface

Mirror used on sharp edges of road

Width of the road

2 Safety measures

Question:

Jackson enterprise would like to build a roller coaster for Sunway Lagoon. The design of the roller

coaster must be safe and fun. The characteristics below should be inclusive into the design of the roller

coaster

Materials used to build the treck

Density of the coaster

Density of the rail

Height of the treck

Safety measure

Question

Jensis would like to build a toy ship as a school project. The project was launch by Green Technology

Enterprise. The fastest and most stable ship will win the competition. Participants must build the toy

using renewable energy Here are the important characteristics which must be implemented to make it

a success

1. Shape of the ship

2. Energy source

3. Motor used

4. Material used

5. Size of the ship


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10m Questions Part ii

Question

James is required to investigate the hydraulic brake of a car shown in Table. Determine the most

effective hydraulic brake

Hydraulic Brake Type of Brake Boiling Point of brake fluid

Mass of Wheel disc

Ratio of cross section between master cylinder and slave cylinder

A Incompressible Low Large 5:1

B Compressible Low Small 1:5

C Incompressible High Large 1:5

D Compressible High Small 5:1


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Question

Thermos flask is used to store hot water. Base on the characteristics below, determine the best thermos

flasks

Thermos Flask Stopper Spacing between Silver Surfaces

Coating Made

A Hollow plastics Large spacing Silver surfaces Glass

B Hollow plastics Small spacing Dark Surfaces Metal

C Solid plastics Large spacing Silver Surfaces Glass

D Solid plastics Small spacing Dark surfaces Metal

physics holiday program - skor...

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