QTSS Prelim 2024 Sec 4E Science (Physics, Biology) P1 [5087]

This document consists of 20 printed pages. Name: ………………………………………………….. ( ) Class: Sec 4 SG ……... Queenstown Secondary School Preliminary Examination 2024 Secondary Four Express Science (Physics, Biology) 5087/01 28 August 2024 Time: 0945 – 1045h Wednesday Duration: 1 hour Setters: 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 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 booklet. The use of an approved scientific calculator is expected, where appropriate.

2 Queenstown Secondary School [Turn over 1 A small cylinder is rolled along a ruler and completes two full turns as shown in the diagram. What is the circumference of the cylinder? A 4.4 cm B 5.1 cm C 8.8 cm D 10.2 cm 2 A pendulum bob has a mass of 25 g. The period of the pendulum is 0.50 s. If the mass of the pendulum bob is increased to 50 g, what is the new period? A 0.25 s B 0.50 s C 1.00 s D 2.00 s 3 The following speed-time graph shows the journey of a train. At which point is the acceleration of the train the greatest in magnitude?

3 Queenstown Secondary School [Turn over 4 A box of mass 2.0 kg moves with a constant speed of 0.10 ms-1 when a force of 6.0 N is applied. What is the frictional force and the resultant force acting on the box? frictional force resultant force A 0 N 6.0 N B 3.0 N 0 N C 5.8 N 0.2 N D 6.0 N 0 N 5 A passenger is sitting in an aeroplane which takes off and climbs to 15 000 m in a certain time. During this time what happens to the mass and to the weight of the passenger? mass weight A decreases decreases B increases increases C unchanged decreases D unchanged increases 2.0 kg 0.10 ms-1 6.0 N

4 Queenstown Secondary School [Turn over 6 A bicycle pedal is connected to a pivot by a metal bar, as shown. The force on the pedal is 60 N downwards. What is the moment of this force about the pivot? A 7.2 Nm B 9.6 Nm C 12 Nm D 1200 Nm 7