Whitley Prelim P1

nName : ( ) Class: WHITLEY SECONDARY SCHOOL A Caring and Learning Community of Leaders Perseverance * Respect * Integrity * Discipline *Empathy PRELIMINARY EXAMINATION 2024 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 Answer Sheet in the spaces provided unless this has been done for you. 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 booklet. The use of an approved scientific calculator is expected, where appropriate. ______________________________________________________________ This document consists of 13 printed pages and 3 blank pages. SUBJECT : Physics (6091) Paper 1 LEVEL : Sec 4 G3 DATE : 26 Aug 2024 DURATION : 1 hour SETTER : Mr Ng Mun Leong VETTER : Ms Kuah Li Wen

2 1 What represents a physical quantity? A 5.0 B kilogram C 2.7 N D 90% 2 How many vector quantities appear in the list below? work done displacement voltage pressure weight moment A 2 B 3 C 4 D 5 3 The graph illustrates the motion of an object. Which part of the graph represents the object moving with a decreasing speed? 4 A sphere falls from rest through the air. The graph shows the variation of the sphere’s velocity with time. Which diagram shows the forces acting on the sphere when it is at the velocity corresponding to point P on the graph? A B C D time displacement 0

3 5 A wooden box of mass 2.0 kg is pushed horizontally across a table. If the acceleration of the block is 0.40 m/s2 and the frictional force acting against the block’s motion is 20 N, determine the magnitude of the pushing force. A 0.80 N B 19.2 N C 20 N D 20.8 N 6 A man pushes a heavy box along the ground. A force acts between the man’s hands and the box. Another force acts between the man’s feet and the floor. In which directions do these forces act on the man? force on man’s hands force on man’s feet A towards the left towards the right B towards the left towards the left C towards the right towards the right D towards the right towards the left 7 Two forces act at right angles at a point O as shown. What is the resultant force? magnitude direction A 15 N OQ B 15 N PR C 21 N OQ D 21 N PR pushing force wooden block table R Q O 12