Serangoon_Gardens_2022 4N_Phy_Prelim_P1_QP

SERANGOON GARDEN SECONDARY SCHOOL PRELIMINARY EXAMINATION CANDIDATE NAME CLASS INDEX NUMBER SCIENCE(PHYSICS) 5105/01 5 August 2022 Secondary 4 Normal(Academic) Papers 1 and 2: 1 hour 15 minutes 1100 - 1215 Additional Materials: 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 register number and class on the Answer Sheet in the spaces provided unless this has been done for you. There are twenty 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. Answers to Paper 1 and Paper 2 must be handed in separately. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. You are advised to spend no more than 30 minutes on Paper 1. You may proceed to answer Paper 2 as soon as you have completed Paper 1. Any rough working should be done in this paper. The use of an approved scientific calculator is expected, where appropriate. For Examiner’s Use 20 This question paper consists of 10 printed pages and 2 blank pages.

2 SGS/2022/Prelim/4NA/Science(Physics)/P1 BLANK PAGE

3 SGS/2022/Prelim/4NA/Science(Physics)/P1 [Turn Over 1 The force of gravity on a body is a vector quantity. Which describes a vector quantity? A It acts in a vertical direction. B It has direction but no size. C It has a direction and a size. D It is a force of attraction. 2 A pair of Vernier callipers is used to measure the diameter of three identical ball bearings as shown. What is the diameter of one ball bearing? A 0.39 cm B 0.52 cm C 1.16 cm D 1.56 cm

4 SGS/2022/Prelim/4NA/Science(Physics)/P1 3 Which distance-time graph represents an object moving at constant speed? 4 A car of mass 1200 kg is travelling along a horizontal road. What is the acceleration of the car? A 0.40 m/s2 B 0.83 m/s2 C 2.5 m/s2 D 3.3 m/s2

5 SGS/2022/Prelim/4NA/Science(Physics)/P1 [Turn Over 5 The stability of a bus is tested by tilting it on a ramp. The diagram shows a bus that is just about to fall over. Where is its centre of gravity? 6 Which row describes the forces between the molecules and the motion of the molecules in a gas? forces between molecules motion of molecules A strong move freely B strong vibrate only C weak move freely D weak vibrate only 7 Air is contained in a metal cylinder by a piston which is free to move. When the metal