2023 SCGS 4 IP EOY Physics P1

SINGAPORE CHINESE GIRLS’ SCHOOL END-OF-YEAR EXAMINATION 2023 YEAR FOUR INTEGRATED PROGRAMME PHYSICS PAPER 1 Multiple Choice Thursday 5 October 2023 1 hour 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 and index number on the Question Paper and Answer Sheet in the spaces provided. There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C, 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 in this booklet. The use of an approved scientific calculator is expected, where appropriate. Take g = 10 ms-2 or 10 Nkg-1 unless specified otherwise. This question paper consists of 24 printed pages. CANDIDATE NAME CLASS REGISTER NUMBER

2 1 A heavy nail is fixed firmly to a wall. It is pulled by a string at 40o to the vertical. The nail does not move. Three forces act on the nail: its weight W, the tension T in the string, the force R exerted by the wall. Which diagram, drawn to scale, represents the three forces? A B W W R R T T pull of string nail 40 ° T W R T W R C D

3 2 The gravitational field strength in space is smaller than on the Earth’s surface. A rocket is used to launch a satellite from the Earth’s surface into space. How are the mass and the weight of the satellite affected as the satellite moves away from the surface of the Earth and into space? A Both the mass and the weight are unaffected. B The mass decreases and the weight decreases. C The mass increases and the weight is unaffected. D The mass is unaffected and the weight decreases. 3 Air is trapped in a cylinder by a piston. The piston is moved inwards so that the volume of the air decreases. piston air with initial volume air with final volume The density of the air in the syringe at the initial volume is 0.0012 g / cm3. What is the density of the air in the syringe at the final volume? A 0.0006 g / cm3 B 0.0012 g / cm3 C 0.0024 g / cm3 D 0.0048 g / cm3

4 4 A car begins to move. It speeds up until it reaches a constant speed. It continues to travel at this constant speed for t