ACS 4NA Physics Paper 1

Anglo-Chinese School (Barker Road) PRELIMINARY EXAMINATION 2021 SECONDARY FOUR NORMAL ACADEMIC SCIENCE (PHYSICS) 5105 / 01 PAPER 1 AND PAPER 2: 1 HOUR 15 MINUTES INSTRUCTIONS TO CANDIDATES: Write in soft pencil. Write your name and exam index number on the Answer Sheet. There are twenty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C or D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. INFORMATION FOR CANDIDATES: 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 booklet. The use of an approved scientific calculator is expected, where appropriate. This question paper consists of 9 printed pages.

Anglo-Chinese School (Barker Road) Preliminary Examination 2018 Academic Science (Physics) 5105 2 Preliminary Examination 2021 Sec 4 Normal Academic Science (Physics) 5105 1 The diagram shows a vernier caliper used to measure the diameter of a cable. What is the reading shown? A 1.35 cm B 1.45 cm C 1.55 cm D 1.65 cm 2 Which row correctly shows the correct SI units for mass and temperature? mass temperature A gram degree Celsius B gram Kelvin C kilogram degree Celsius D kilogram Kelvin 3 Which length is the longest? A 0.02 Gm B 2 000 Mm C 20 000 000 km D 200 000 000 m

Anglo-Chinese School (Barker Road) Preliminary Examination 2018 Academic Science (Physics) 5105 3 Preliminary Examination 2021 Sec 4 Normal Academic Science (Physics) 5105 4 Which scenario takes the longest time? A A car accelerating at 7 m/s2 from 5 m/s to 25 m/s B A car accelerating at 15 m/s2 from 10 m/s to 45 m/s C A lorry decelerating at 6 m/s2 from 35 m/s to 20 m/s D A lorry decelerating at 12 m/s2 from 55 m/s to 15 m/s 5 The graph represents the motion of a lift. Which description of the motion of the lift is correct? A constant speed from B to C B decreasing deceleration from D to E C uniform acceleration from A to B D zero acceleration from C to D

Anglo-Chinese School (Barker Road) Preliminary Examination 2018 Academic Science (Physics) 5105 4 Preliminary Examination 2021 Sec 4 Normal Academic Science (Physics) 5105 6 The diagram shows the distance-time graph of a man walking.