Boon Lay Prelim P1

BOON LAY SECONDARY SCHOOL PRELIMINARY EXAMINATION 2024 Name ( ) Class Subject : PHYSICS Paper No : 1 Subject Code : 6091/01 Level : SECONDARY FOUR EXPRESS Date/Day : 27 AUGUST 2024 (TUESDAY) Time : 1200 – 1300 Duration : 1 HOUR READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name and index number on the Answer Sheet in the spaces provided. 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 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 paper. The use of an approved scientific calculator is expected, where appropriate. This paper consists of 16 printed pages.

2 Answer all the questions. 1 A closed umbrella, P, and an opened umbrella, Q, are suspended from a significant height in a tall vacuum chamber on Earth. Both umbrellas are released at the same time. Which of the following will be observed? A Both umbrellas will not accelerate. B The closed umbrella will reach the ground first. C Both umbrellas will have the same instantaneous speed. D The opened umbrella will fall slower than the closed umbrella. 2 A cyclist passes a lamp post with a speed of 10 m s-1. His speed at the next lamp post, 15 m away, is 25 m s-1. What is his acceleration between these two lamp posts? A 0.86 m s-2 B 17.5 m s-2 C 35.0 m s-2 D 40.8 m s-2

3 BLS/Prelims/2024/4E/Physics/6091/01 3 The graph shows the distance-time graph of a car. Which of the following is the correct velocity-time graph of the car in the same time period? A B C D 4 A force of 5.0 N and a force of 6.0 N act on a single point. Which of the following is not a possible magnitude of the resultant force on the point? A 1 N B 5 N C 9 N D 12 N

4 BLS/Prelims/2024/4E/Physics/6091/01 5 The displacement method is used to determine the volume of an acorn. The mass and density of a particular acorn are 4.5 g and 1.03 g cm-3 respectively. What is the final volume of water in the beaker when the acorn is fully submerged? A 4.64 cm3 B 45.63 cm3 C 54.37 cm3 D 54.64 cm3 6 Three identical Bunsen burners are in different positions on a horizontal surface. P Q R Which of the following correctly states the type of equilibrium they are in? P Q R A Stable Neutral Unstable B Neutral Unstable Stable C Stable Unstable Neutral D Neutral Stable Neutral 7 A 5 N force is applied on the signboard shown bel