Physics Holiday Program
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1 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 2. Convert the following 3. Convert the following 4. 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
2 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.
3 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:..
4 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
5 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
6 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?
7 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?..
8 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?
9 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 METHOD 1 5 Observations/ Characteristics 5 Inferences/ Reasons/ Adj Method 2 4 Observations/ Characteristics 4 Inferences/ Reasons/ Adj 1 Conclusion 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
10 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
11 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 A Incompressible Low Large 5:1 B Compressible Low Small 1:5 C Incompressible High Large 1:5 D Compressible High Small 5:1 Ratio of cross section between master cylinder and slave cylinder
12 Question Thermos flask is used to store hot water. Base on the characteristics below, determine the best thermos flasks Thermos Flask Stopper Spacing between Coating Made Silver Surfaces 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
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