2024 Sec 4 Exp ACSBR Physics Prelims P1

Anglo-Chinese School (Barker Road) PRELIMINARY EXAMINATION 2024 SECONDARY FOUR EXPRESS PHYSICS 6091/01 PAPER 1 TIME: 1 HOUR INSTRUCTIONS TO CANDIDATES: Write your name and index number on the OMR Answer Sheet. There are forty questions in this section. 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 OMR sheet. The OMR Sheet is to be submitted separately. INFORMATION FOR CANDIDATES: 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. This question paper consists of 17 printed pages

Anglo-Chinese School (Barker Road) Preliminary Examination 2024 2 Secondary 4 Physics 6091/01 1 Which of the following list of SI units contains base units only? A ampere, kilogram, hour, volt B ampere, kilogram, kilometre, second C kelvin, metre, mole, second D kelvin, metre, second, volt 2 Nano-technology is about manipulating substances at the nanometre scale. Within 1 nanometre space, 10 hydrogen atoms can be placed side by side. What is the approximate diameter of one hydrogen atom? A 10-4 cm B 10-4 dm C 10-4 µm D 10-4 mm 3 The diagram shows how the displacement of a car varies with time. What is the average speed of the car? A 0.75 m/s B 1.25 m/s C 1.75 m/s D 2.0 m/s displacement / m time / s 10.0 6.0 5.0 8.0

Anglo-Chinese School (Barker Road) Preliminary Examination 2024 3 Secondary 4 Physics 6091/01 4 The diagram shows how the velocity of a body varies with time. What is the displacement of the body at the end of 5 s? A 4.0 m B 9.0 m C 11.0 m D 13.0 m 5 The figure below shows a person sitting on a box that rests on the ground. Which of the following action-reaction pairs is correct? A The weight of the box and the normal force from the ground on the box. B The weight of the man and the normal force from the box supporting the man. C The weight of the man and the contact force on the box by the man. D The weight of the man and the force of man on Earth. 6 A hammer hits a nail on a piece of wood with a speed of 6 m/s. If it drives the nail 0.1 m into the wood, what is the average deceleration of the hammer? A 18 m/s2 B 60 m/s2 C 120 m/s2 D 180 m/s2 velocity / m/s time / s person box ground

Anglo-Chinese School (Barker Road) Preliminary Examination 2024 4 Secondary 4 Physics 6091/01 7 Four identical bottles are filled with different amounts of water. Which bottle has the lowest centre of gravity? 8 An Eskimo stands on snow wearing snow -shoes. The mass of the Eskimo is 40 kg and the snow-shoes have a total area of 0.50 m2 in contact with the snow. The gravitational field strength g is 10 N/kg. What pressure do