NHHS_2024_sec4_phy_prelim_P2

This document consists of 21 printed pages. Name: _____________________________________ ( ) Class: Sec 4 / ( ) Subject : Physics Paper : 6091/02 Level : Secondary Four Date : 26 August 2024 Duration : 1 hour 45 minutes READ THESE INSTRUCTIONS FIRST Write your name, class and register number in the spaces at the top of this page. Write in dark blue or black pen. You may use HB pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or correction fluid. Section A Answer all questions. Write your answers in the spaces provided. Section B Answer one question. Write your answers in the spaces provided. Candidates are reminded that all quantitative answers should include appropriate units. The use of an approved scientific calculator is expected, where appropriate. Candidates are advised to show all their working in a clear and orderly manner, as more marks are awarded for sound use of Physics than for correct answers. The number of marks is given in brackets [ ] at the end of each question or part question. NAN HUA HIGH SCHOOL PRELIMINARY EXAMINATION 2024 For Examiners’ Use Section A Section B Total

Nan Hua High School Preliminary Examination 2024 Physics 6091/2 Page 2 of 21 Section A Answer all the questions. 1 (a) (i) Circle all of the quantities in the list below that are scalars. power acceleration displacement energy weight current [1] (ii) Rearrange the following prefixes in order from the smallest value to the largest value. k d T M m [1] (b) Two crewmen pull a boat through a lock with packages, as shown in Fig. 1.1. One crewman pulls with a force of 130 N at an angle of 34 ° relative to the forward direction of the boat. The second crew man, on the opposite side of the lock, pulls at an angle of 45 °. Fig. 1.1 Fig. 1.2 (i) Fig. 1.2 shows the dimension of one package. Suggest a suitable measurement tool to determine the dimension of the package. [1] (ii) If each package has a mass of 3.45 kg, determine the total mass of 75 packages in Mg. total mass = [1] 45° 34° 130 N F 650 mm 1005 mm 330 mm

Nan Hua High School Preliminary Examination 2024 Physics 6091/2 Page 3 of 21 (iii) By means of a scale labelled diagram, determine the size of the resultant force of the two forces. resultant force = [3]

Nan Hua High School Preliminary Examination 2024 Physics 6091/2 Page 4 of 21 2 A block of mass 25.5 kg hangs from a string labelled A, attached to a ceiling, as shown in Fig. 2.1. An identical string labelled B, hangs down from the bottom of the block. F