Peirce 4NA Sci Phy Prelim 2022 P1 and P2 with ANS

This paper consists of 8 printed pages and 0 blank page. Setter: Mr Clement Lee Class Register No. Candidate Name PEIRCE SECONDARY SCHOOL PRELIMINARY EXAMINATION SECONDARY 4 NORMAL (ACADEMIC) SCIENCE (PHYSICS) 5105/01 Paper 1 Multiple Choice 29 July 2022 Papers 1 and 2: 1 hour 15 minutes Additional Materials: Multiple Choice Answer Sheet INSTRUCTIONS TO CANDIDATES Write your name, class and register number in the spaces provided at the top of this page. Write in dark blue or black pen. There are twenty questions in 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 Multiple Choice 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. You are advised to spend no longer 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. Answers to Paper 1 and Paper 2 must be handed in separately.

2 Paper 1: [20 marks] Answer all the questions in the OTAS provided. 1 Which statement about scalar and vector quantities is correct? A Vector quantities have direction only. B Scalar quantities have direction only. C Vector quantities have magnitude, unit and direction. D Scalar quantities have magnitude, unit and direction. 2 A student performed a pendulum experiment and he obtained a time of 5.06 s for 10 oscillations. What is the period of the pendulum? A 0.506 s B 5.06 s C 15.06 s D 50.60 s 3 The following are distance-time graphs. Which graph shows an object travelling at decreasing speed? 4 A body is accelerating at 5 m / s2. What does it mean? A The distance increases by 5 m every second. B The velocity of a body increases by 5 m / s every second. C The body increases its velocity and reaches constant velocity in 5 s. D The velocity remains constant at 5 m / s. A B B D distance / m distance / m distance / m distance / m time / s time / s time / s time / s 0 0 0 0

3 5 A car accelerates along a straight road, moves at constant speed before finally decelerates and comes to a stop. When are the forces acting on the car balanced? A when it comes to a stop B when it is accelerating and when it has constant speed C when it has a constant speed and when it is decelerating D when it has a constant speed and when it comes to a stop 6 A small piece of meteorite is transported from outer space back to Earth. Which changes take place to the meteorite? change in mass change in weight A no increase B no decrease C yes increase