2024 FHSS P1 PRELIM QP

1 Candidate Name: Class: Index No.: FUHUA SECONDARY SCHOOL 4E Secondary Four Express PRELIMINARY EXAMINATION 2024 Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School Fuhua Secondary School ________________________________________________________________________________ PHYSICS 6091/01 Paper 1 DATE 27 Aug 2024 TIME 0800 – 0900 DURATION 1 hour Additional Material: Multiple Choice Answer Sheet ___________________________________________________________________________________________________________ READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, class, index number on the Answer Sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. 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 pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done on this paper. The use of an approved scientific calculator is expected, where appropriate. Setter: Mr Raymond Loh Vetter: Mr Nicholas Liu This document consists of 15 printed pages and 1 blank page, including this page. FOR EXAMINER'S USE PARENT’S SIGNATURE

2 1 Which row correctly shows a scalar and a vector quantity? . scalar vector A displacement distance B mass weight C temperature pressure D velocity acceleration 2 The speed-time graph below describes the motion of a toy car. What is the average speed of the toy car while moving at constant deceleration? A 2.8 m / s B 4.0 m / s C 5.1 m / s D 8.0 m / s 3 The graph shows the displacement-time graph of a car moving along a straight line. Which statement best describes the motion of the car? A It moves a greater distance in the initial 3 seconds than in the final 2 seconds. B It moves at a higher speed in the first 3 seconds than in the last 2 seconds. C It moves uphill in the first 3 seconds and then downhill in the last 2 seconds. D It returns to its starting point after 5 seconds. speed / (m / s) time / s 8 22 16 10 0 displacement / m time / s

3 4 A body is acted upon by a constant resultant force. Which graph shows how the velocity of the body varies with time? A B C D C D 5 A force of 18 N acts on a block P and block Q of mass 4 kg and 2 kg respectively as shown. Given that the floor is smooth, what is the tension of the string between P and Q? A 3 N B 6 N C 9 N D 12 N 6 A lamp is fixed to the wall by a metal rod and cable. The lamp does not move. Which vector diagram represents the forces acting at point P? A B C D P 4 kg Q 2 kg 18 N

4 7 Four bags of flour, each of mass 2.0 kg, were used to fill up a box shown below. The box, with dimensions 0.30 m × 0.25 m × 0.25 m, has a mass of 1.0 kg. What is the average density of the box after it is filled up? A 160 kg / m3 B 250 kg / m3 C 430 kg / m3 D 480 kg / m3 8 When the atmospheric pressure is 100 000 Pa, the height of a mercury barometer is h. What is the pressure at X? A 25 000 Pa B 75 000 Pa C 125 000 Pa D 175 000 Pa 9 Three manometers are filled with mercury and connected to three different gas supplies, X, Y and Z, as shown in the figure below. What are the gas pressures in ascending order? A X, Y, Z B X, Z, Y C Y, X, Z D Z, Y, X X h h 4 0.25 m 0.25 m 0.30 m

5 10 A car decelerates down a road as it goes downhill. Which energy changes are taking place? . energy in the gravitational store energy in the kinetic store A decreasing decreasing B decreasing increasing C decreasing remains the same D increasing increasing 11 A uniform solid block has weight 200 N, width 0.4 m and height 0.6 m. The block rests on a step of depth 0.8 m, as shown in the diagram. The block is knocked over the edge of the step and rotates through 90 ° before coming to rest with the 0.6 m side horizontal on the ground. The gravitational field strength g is 10 N / kg. What is the change in gravitational potential energy of the block? A 100 J B 140 J C 180 J D 220 J 0.4 m 0.6 m 0.4 m 0.8 m

6 12 A man used a force F to pull a 2 kg box up a smooth inclined plane for a distance of 4 m, as illustrated in the figure below. The box was lifted to a vertical height of 2 m. The gravitational field strength is 10 N / kg. What is the force F exerted by the man on the box? A 5 N B 10 N C 25 N D 40 N 13 In a Brownian motion experiment, illuminated smoke particles are seen to move randomly. Which statement correctly explains the motion of the smoke particles? A They are continuously bombarded by the air molecules. B They are moved by the convection currents in the air. C They are shaken by the vibration of the air molecules. D They are supplied with energy by the light illuminating them. 14 Air is pumped slowly into a car tyre to increase the pressure. The temperature of the air does not change. Which row is correct? number of molecules hitting 1 cm2 of the tyre each second average speed at which molecules hit inner walls of the tyre A increases increases B increases unchanged C unchanged increases D unchanged unchanged 15 The graph shows the cooling curve of an unknown liquid. What happens to the potential energy (PE) and the kinetic energy (KE) of molecules between AB and BC? between A and B between B and C A KE constant, PE decreases KE constant, PE decreases B KE decreases, PE constant KE constant, PE decreases C KE decreases, PE constant KE decreases, PE constant D KE constant, PE decreases KE decreases, PE constant 4 m 2 m F A B C temperature time

7 16 Cooling fins are used in refrigerators, car radiators and many other cooling devices to dissipate thermal energy from the system to the environment. i The cooling fins are made of a good conductor to ensure that thermal energy is being conducted quickly out to the environment. ii Cooling fins are typically black to enhance the rate of thermal energy conduction. iii The cooling fins have a large surface area to quickly dissipate heat to the environment through radiation and conduction. Which statements about cooling fins are correct? A i and ii only B ii and iii only C i and iii only D i, ii and iii 17 Three