FHSS 2026 Physics P1 QP

1 Candidate Name: Class: Index No.: FUHUA SECONDARY SCHOOL 4E Secondary Four Express PRELIMINARY EXAMINATION 2026 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 25 August 2026 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 Muhammad Khairi Bin Ruslihan Vetters: Mr Adrian Sim Mr Raymond Loh Mr Nicholas Liu This document consists of 12 printed pages, including this page. FOR EXAMINER'S USE PARENT’S SIGNATURE

2 1 Which of the following is equivalent to a unit of power expressed in SI base units? A kg m / s B kg m² / s² C kg m² / s³ D kg / m s² 2 Which pair of instruments is most suitable for measuring the internal diameter of a laboratory test tube and the diameter of a thin copper wire? internal diameter of a test tube diameter of a thin copper wire A metre rule digital calipers B digital calipers digital micrometer screw gauge C digital calipers metre rule D measuring tape digital micrometer screw gauge 3 A car moves along a straight road. Its velocity-time graph shows uniform acceleration from rest to 20 m / s in 5 s, followed by a constant velocity of 20 m / s for another 10 s, and finally a uniform deceleration to rest in the last 5 s. What is the total distance travelled by the car? A 300 m B 350 m C 400 m D 500 m 4 A sprinter starts from rest and accelerates uniformly. He reaches a speed of 8.0 m / s after travelling a distance of 16 m. What is the magnitude of the sprinter's acceleration? A 0.25 m / s2 B 0.50 m / s2 C 1.0 m / s2 D 2.0 m / s2 velocity m / s time / s

3 5 A ball is dropped from an aircraft at a certain height. Taking air resistance into account, how do the velocity and the acceleration of the ball change as it falls before reaching terminal velocity? A Velocity increases, acceleration increases. B Velocity increases, acceleration decreases. C Velocity decreases, acceleration increases. D Velocity decreases, acceleration decreases. 6 A rocket of mass M is in deep space. Its engine exerts a constant thrust F. As the rocket travels, it consumes fuel, causing its mass to decrease to 0.5M. How does the acceleration of the rocket change? A It increases to twice its initial value. B It remains constant. C It decreases to half its initial value. D It increases to four times its initial value. 7 An object of weight W moves to the left at constant velocity along a rough horizontal floor. A horizontal driving force of magnitude F₁ acts on the object in the direction of motion, and a frictional force of magnitude F₂ opposes the motion. Which statement is correct? A F₁ and F₂ are an action-reaction pair. B F₁ = F₂ but they are not an action-reaction pair. C F₁ + F₂ = W D F₁ > F₂ 8 An astronaut has a weight of 800 N on Earth where g = 10 N / kg. On Planet X, his weight is 320 N. What is the gravitational field strength on Planet X? A 2.5 N / kg B 3.0 N / kg C 4.0 N / kg D 8.0 N / kg constant velocity F₁ F₂ W

4 9 A uniform 1.0 m lever has a weight of 20 N and is pivoted at the 20 cm mark. A 90 N weight is hung at the 0 cm mark. What vertical force must be applied at the 100 cm mark to keep the lever horizontal? A 15 N B 20 N C 30 N D 60 N 10 Which action increases the stability of a tall bus? A Increasing the height of the bus roof. B Increasing the number of passengers on the upper deck. C Placing the heavy engine at the bottom of the bus. D Using narrower tires. 11 A metal cube has sides of length 5.0 cm and a mass of 945 g. The density of the metal is 9.0 g / cm³. There is a hollow space in the middle of the cube. What is the volume of the hollow space? A 5.0 cm³ B 15 cm³ C 20 cm³ D 105 cm³ 5.0 cm hollow space

5 12 A hydraulic lift consists of a small piston and a large piston. The cross-sectional area of the small piston is 6.0 cm2 and the cross-sectional area of the large piston is 48 cm2. A downward force of 30 N is applied to the small piston. What is the upward force exerted by the large piston? A 4.0 N B 30 N C 180 N D 240 N 13 A U-tube manometer contains oil of density 800 kg / m³. One end is open to the atmosphere of 100 kPa and the other is connected to a gas supply. The height difference of the oil levels is 20 cm. What is the pressure of the gas supply? (g = 10 N / kg) A 84.0 kPa B 98.4 kPa C 100.2 kPa D 101.6 kPa

6 14 A 2.0 kg block is pushed up a 5.0 m long frictionless incline to a vertical height of 3.0 m. How much work is done against gravity? (g = 10 N /kg) A 30 J B 45 J C 60 J D 100 J 15 Object X of mass m moves at a speed of v. Object Y has half the mass of X but moves at twice the speed of X. What is the ratio of the kinetic energy of object X to the kinetic energy of object Y? A 1 : 1 B 1 : 2 C 1 : 4 D 1 : 8 16 Smoke particles suspended in air are viewed through a microscope. They are seen moving in a zig-zag path. What does this observation provide evidence for? A Air is a poor thermal conductor. B Air molecules are moving in constant random motion. C Air molecules have a larger mass than smoke particles. D Convection currents are occurring in the air. 17 A sealed rigid container holds a fixed mass of gas. The gas is heated from 27 °C to 127 °C at constant volume. Which statement best explains, in terms of the kinetic particle model, why the pressure of the gas increases? A The molecules increase in size, causing more frequent collisions with the walls. B The average speed of the molecules increases, so they collide with the walls more frequently and with greater force. C The number of molecules in the container increases. D The molecules move further apart, reducing the frequency of collisions. 5.0 m 3.0 m F

7 18 Three students make statements about thermal radiation. 1 Dull black surfaces are better absorbers of thermal radiation than shiny silver surfaces. 2 Thermal radiation can travel through a vacuum. 3 The rate of energy transfer by thermal radiation depends on the surface temperature of the body. Which statements are correct? A 1 and 2 only B 1 and 3 only C 2 and 3 only D 1, 2 and