AES Prelim P1

Name: ....................................................... ( ) This Question Paper consists of 17 printed pages including this page. [Turn over ASSUMPTION ENGLISH SCHOOL PRELIMINARY EXAMINATION 2024 PHYSICS 6091 / 01 ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL LEVEL: Sec 4 Express DATE: 28 August 2024 CLASS: Sec 4/1 DURATION: 1 hour Additional Materials provided: 1 sheet of OAS paper INSTRUCTIONS TO CANDIDATES Do not open this booklet until you are told to do so. Write your NAME and INDEX NUMBER at the top of this page and on the OAS paper. Shade your index number on the OAS paper. There are 40 questions in this section. Answer all questions. For each question, there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft or 2B pencil on the OAS paper provided. DO NOT fold or bend the OAS paper. At the end of the examination, hand in your OAS paper and question booklet separately.

2 6091/4E/PRELIM/24 MULTIPLE-CHOICE QUESTIONS (40 marks) Answer all questions on the OAS paper provided. 1 Which is a base quantity? A area B charge C energy D temperature 2 A digital caliper is used to measure the length of a few turns of wire. What is the diameter of the wire? A 0.54 mm B 1.08 mm C 2.70 mm D 5.40 mm 5.40mm

3 6091 /4E/PRELIM/24 [Turn Over 3 The diagram below shows the top view of a light ball swinging at constant speed on a taut string. Two positions of the ball, A and B, are shown. What can be said about the motion of the ball? A The acceleration of the ball is changing. B The mass of the ball is not constant. C The resultant force on the ball is zero. D The velocity of the ball is constant. 4 The diagram shows a graph of displacement s against time t of an object moving in a straight line. Which graph of velocity v against time t correctly represents the motion of the object? A B C D A B v t v t v t v t s t 0

4 6091/4E/PRELIM/24 5 The graph shows how the velocity of a pebble projected vertically upwards from the top of a building varies with time. The pebble reaches the ground in 2.5 s. What is the height of the building? A 1.25 m B 18.8 m C 20.0 m D 31.3 m 6 An astronaut has a mass of 80 kg on Earth. He can jump to a vertical height of 1.5 m on the surface of the Earth. How high can he reach when he jumps on the Moon using the same force? height on the Moon reason A higher than 1.5 m gravitational field strength of Moon is stronger B higher than 1.5 m gravitational field strength of Moon is weaker C lower than 1.5 m gravitational field strength of Moon is stronger D lower than 1.5 m gravitational field strength of Moon is weaker 0.5 1.0 1.5 2.0 2.5

5 6091 /4E/PRELIM/24 [Turn Over 7 The weights of some masses on the surface of four different planets are recorded below. Which planet has the greatest acceleration due to gravity? planet mass / kg weight / N A 0.5 10 B 1.0 8.0 C 1.5 18 D 2.0 5.0 8 Two forces act at a point at an angle θ. Which angle θ will produce the largest resultant force? A 0° B between 0° and 90° C between 90° and 180° D 180° 9 A block of mass is moving along a rough surface at constant speed when a force of 15 N acts on it. If the 15 N force is removed, how would the motion of the mass change? A accelerate constantly before reaching terminal velocity B comes to a stop immediately C continues to move at the same constant speed D decelerates constantly to a stop 3.0 N 4.0 N θ 15 N constant speed

6 6091/4E/PRELIM/24 10 A rope is attached to a box. A person pulls the box up the slope in the direction shown. Which pair of forces is an action-reaction pair? action reaction A friction on the box pulling force of the hand on the rope B normal force weight C pulling force of the hand on the rope T1 on the hand by the rope D T1 on the hand by the rope T2 on the box by the rope 11 Objects of the same size but different mass are placed in identical containers. Which set-up is most likely to topple over? pulling force rope normal force friction weight tension T2 tension T1 1 g 5 g 2 g 5 g 5 g 2 g 5 g 1 g 1 g 5 g 5 g 2 g 5 g 5 g 2 g 1 g A B C D

7 6091 /4E/PRELIM/24 [Turn Over 12 The diagram shows a model of the braking system of a car. Piston M has an area of 5.0 cm2 and piston N has an area of 25 cm2. A force of 20 N is applied to piston M. What is the force F acting on piston N? A 4.0 N B 6.3 N C 20 N D 100 N 13 A pipe is closed at one end and contains some gas, trapped by a column of water. The atmospheric pressure is 100 kPa, the density of water is 1 g/cm3 and the gravitational field strength is 10 N/kg. What is the pressure of gas? A 0.15 kPa B 5.1 kPa C 150 kPa D 170 kPa 14 What is work done? A product of force and distance between force and object B product of force and distance moved by the object in the same direction C rate of energy transfer per unit time D rate of change of displacement per unit time F piston N piston M oil 20 N water gas 5.0 m 7.0 m

8 6091/4E/PRELIM/24 15 A 80 kg box is pushed up along a smooth slope by a force of 350 N. The gravitational field strength is 10 N/kg. What is the speed of the box at the top of the slope? A 2.2 m/s B 3.7 m/s C 10 m/s D 11 m/s 16 The diagram shows a student doing a chin-up exercise. Each time the student does one chin-up, he lifts his body 0.40 m vertically upwards. The weight of the student is 600 N. The student can do 18 chin-ups in 1 minute. What is the power developed by the student? A 4 W B 72 W C 144 W D 4320 W 350 N 5 m 12 m 13 m

9 6091 /4E/PRELIM/24 [Turn Over 17 The total number of particles and the average kinetic energy of the particles in three bodies, P, Q and R, are given in the table. body total number of particles average kinetic energy of particles P N E Q 0.5N 2E R 2N E The temperatures of P, Q and R are denoted by TP, TQ and TR respectively. Which relationship between TP, TQ and TR is correct? A TP = TQ < TR B TP = TR < TQ C TQ < TP < TR D TQ < TP = TR 18 Containers X and Y are filled with equal amount of hot water. The temperature of the water is measured with a thermometer 10 minutes later. It is observed that the water in container X has a much lower temperature than container Y. Below are some statements to explain the observation. 1. Container X has a lid and container Y is not covered. 2. Container X is black and container Y is white. 3. Container X has a larger surface and container Y has a smaller surface. Which statements are possibly correct? A 1 and 2 only B 1 and 3 only C 2 and 3 only D 1, 2 and 3 19 Why is it more dangerous to expose our skin to 50 g of steam at 100 °C than to 50 g of water at 100 °C? A Steam conducts heat faster than water. B Steam is a better radiator of heat. C Steam moves at a greater speed than water. D Steam releases more energy than water when it condenses.

10 6091/4E/PRELIM/24 20 The diagram shows an electric heater being used to heat a beaker of water and an