Bukit Batok Secondary Pure Physics Prelim 2022

BP-54 Name BIOT BAITX SE$IDflYSCIfrf PHYSICS Paper 1 Multiple Choice . lndex no.: Class...-........ Bukit Batok Secondary School GCE O LEVEL PRELIMINARY EXAMINATIONS 2022 SECONDARY 4 EXPRESS 6091/01 31 Aug2022 l Hour 't005-1105h Additional Matenals: Multiple Choice Answer Sheet (OAS) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, index number and class in the spaces provided at the top of this page. 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 conect and record your choice in soft pencil on the OAS. Each mnect answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. This Question paper consists of 17 printed pages including this cover page. ParherlnLeaming ffi\sz

8P.55 I BBSS/ Prelims 2022 sec 4E/ Physics (6091y Pl What is the conversion factor for converting gigametres (Gm) to millimetres (mm)? A .103 B 108 C 10s D 1012 2 Two forces, Fr and F2, act on a particle as shown Fr particle Fz Which diagram correctly shows the force Fe that would keep the particle stationary? A B Fr Fr Fe,,,' Fe,, Fz Fz Dc Fr Fr Ft ,, Fe", 3 An object is falling under gravity with terminal velocity Which of the following statements is conect? A The acceleration of the object will decrease to zero. B The force on the object due to air resistance will decrease to zero. C The resultant force on the object ls zero. D The speed of the object will decrease at a constant rate to zero. Applying past knowledge to new situations Fz 2 ParlnerlnLeaming Fz

BP-56 BBSS/ Prelims 2022 sec 4E/ Physics (6091y Pl 4 The diagram shows the displacement-time graph of a car traveling on a straight, horizontal road. displacement / m 10.0 5.0 00 time / s -5.0 -10.0 What is the total distance travelled by the car in 50 s? A -10m B 0m C 30m D 300 m 5 A block of mass 2 kg is pulled by a constant force of 10 N. lt moves with an acceleration of 3.0 m/s2 on a horizontal ground as shown below. At a certain instant during its motion, the 10 N force is removed. 3,0 m/s2 --t 10N What is the motion of the block immediately after the 10 N force is removed? A accelerates in the opposite direction B continue to move forward with a constant velocity C continue to move forward with a deceleration D immediately comes to a stop Applying past knowledge to new situations J \ \ 40 50 \ \ 2.0 kg ParlnerlnLeaming 56 101 20\ 30

BP-57 6 BBSS/ Prelims 202V sec 4E/ Physics (6091y P1 The diagram below shows a ball being released on a frictionless track from rest at point L. L Assuming negligible ait resistance, which graph conectly shows how the speed of the ball varies with time from L to M ? A M B tt Dc t Applying past knowledge to new situations 4 t PartnerlnLeaming 57

BP-58 7 A metal cube has a mass of 15 g. Each side measures 4.0 cm. The density of the metal is 3000 kg / m3. There is empty space in the middle of the cube. Which is the volume of the emply space? A 5.0 cm3 B 11 cm3 C 19 cm3 D 59 cm3 I The diagram below shows a hinged uniform rod that is held horizontal by a wire stay. p wire stay nsron hinge rod weight Which expression 1o calculate the tension in the wire stay is conect? A tension = weight x (O I 27 + p B tension = weight x (p I 2) + q C tension = weight + (p / 2) x q D tension = weight + (0 I Z; * O 9 A non-uniform object is placed on an inclined plane. The object is just about to topple. y' non-uniform obiect Which position is the centre of gravity? Applying past knowledge to new situations 6 PartnerlnLeaming 58 BBSS/ Prelims 2022 sec 4fl Physics (6091)/ P1 inclined plane

BP-59 BBSS/ Prelims 2024 sec 4fl Physics (6091)/ P1 10 Two vessels are joined together with a tube and filled with water. Both vessels are open at the top. G.. -e Ro How does the water pressure at point Q compare to the water pressures at P and R? pressure at P pressure at R A B c D lower than at Q same as at Q lower than at Q same as at Q greater than Q greater than Q same as at Q same as at Q handle load piston Z piston W hydraulic fluid Which modifications will enable heavier loads to be lifted? diameter of W diameter of Z A B c D doubled doubled halved remains the same halved remains the same doubled halved 12 A truck is travelling at a steady speed along an expressway. The forward force is 4000 N and the power produced is 10 000 W. How far does the truck travel in one minute? A 2.5 m B 24m G 150m D 66 km Applying past knowledge to new situations P o 6 PartnerlnLeaming 59 11 The diagram below shows a simple hydrautic jack. I

BP-60 BBSS/ Prelims 2022 sec 4H Physics (6091y P1 13 A manometer is filled with a liquid of density 880 kg/ m3 The gravitational field strength g is 10 N/ kg. Gas supply -+ 45 cm 25 cm What is the excess pressure of the gas supply mmpared to atmospheric pressure? 1760 Pa 2200 Pa 3960 Pa 17 600 Pa 14 Two balls of equal mass are dropped down a frictionless chute from the same height as shown below. As the balls emerge, ball A travels perpendicular to the ground and ball B travels parallel to the ground. lgnore energy losses to the sunoundings. ball A ball B oe A B c D h e Which of the statements on the energy of the two balls as they emerge from the chutes is correct? A Kinetic energy of ball A is equal to ball B. B Kinetic energy of ball A is lower than ball B. C Gravitational energy of ball A is at its maximum and equal to ball B. D Gravitational energy of ball A is lower than ball B. Applying past knowledge to new situations 7 PartnerlnLeaming 60

BP- 6I BBSS/ Prelins 2022J sec 4F) Physics (6091y Pl t5 The input power to a motor is 300 W- ln 20 s, it lifts a load of 400 N through a height of 6.0 m. What is the efficiency of the motor? A 12 o/o B 25 o/o C 40 o/o D 75 o/o 16 ln the Brownian experiment, smoke particles are viewed under a microscope Which row describes and explains Brownian motion? description explanation A B c D random random random vibrate air molecules cannot be seen under a microscope and bombard the smoke particles air molecules can be seen under a microscope and bombard the smoke particles smoke particles can be seen under a microscope and bombard the air molecules. both smoke particles and air molecules €n be seen under a microscope and smoke particles bombard the air molecules 17 A fixed mass of gas is kept at constant temperature. When the volume of the gas decreases, the pressure increases. Why is this? A The molecules are closer together and they collide more frequently B The molecules are closer together and they move faster. C The molecules move more quickly and they collide more frequently D The molecules move more quickly and the hit each other harder. 18 Physical properties of materials are used in the measurement of temperature. Which physical property is not suitable for this purpose? A expansion of a metal B mass of a liquid C resistance of a metal D volume of a liquid Applying past knowledge to new situations 8 ParlnerlnLeaming 61

BBSS/ Prelims 2022J sec 4E/ Physics (6091y Pl 19 The diagram shows a section through a particular type of building board compressed y' paper boards .1 oo o" O6 oO o aluminium foil expanded polystyrene aluminium foil Which best explains why such boards provide good heat insulation? aluminium foil expanded polystyrene compressed paper boards A B c D is a good conductor is a good reflector is a good reflector is a good reflector is a poor reflector is a good conductor is a poor conductor has high thermal conductivity has high thermal conductivity has low thermal conductivity 20 The cooling unit of an air conditioner is always placed at the top of rooms. The air conditioner takes in warm air and gives out cold air. Which statements explains this? A A cool air molecule is denser that a warm air molecule and sinks. B A