NYGH-2011-S3-EOY-Phy-P2

Class Register Number Name 南洋女子中学校 NANYANG GIRLS’ HIGH SCHOOL End-of-Year Examination 2011 Secondary Three PHYSICS Paper 2 Theory Paper 1 hour 45 minutes Monday 17 October 2011 1000 - 1145 Additional materials: Calculator can be used READ THESE INSTRUCTIONS FIRST Do not open this booklet until you are told to do so. Write your name, register number and class in the spaces at the top of this page and on any separate answer paper used. Section A (40 marks) Answer all questions. Write your answers in the spaces provided on the question paper. Section B (30 marks) Answer all questions including questions 8, 9 and 10 Either or 10 Or. Write your answers in the spaces provided on the question paper. At the end of the examination, circle 10 Either or 10 Or in the grid on the right to indicate which question you have answered. INFORMATION FOR CANDIDATES The intended number of marks is given in the brackets [ ] at the end of each question or part question. You are advised to spend no longer than one hour on Section A and no longer than 45 minutes on Section B. The gravitational field strength near Earth’s surface, g = 10 N/kg Examiner’s Use Section A 1 2 3 4 5 6 7 Section B 8 9 10 Either 10 Or Total 70 Setters: AJL, BN, TWL This document consists of 18 printed pages. NANYANG GIRLS’ HIGH SCHOOL [Turn over

2011 End-of-Year Examination Secondary Three 2 Nanyang Girls’ High School This is a blank page AJL, BN, TWL Physics / II

2011 End-of-Year Examination Secondary Three 3 Nanyang Girls’ High School Section A Answer all questions. Write your answers in the spaces provided. 1 Fig. 1.1 shows the velocity-time graph of an object. Fig. 1.1 (a) Calculate the displacement of the object from t = 0.0 s to t = 3.0 s. displacement = .............................. [1] (b) Calculate the displacement of the object from t = 0.0 s to t = 10.0 s. displacement = .............................. [1] (c) Using the axes below, sketch the displacement-time graph for the object, labelling the axes, and other relevant information, clearly. [3] AJL, BN, TWL Physics / II [Turn over

2011 End-of-Year Examination Secondary Three 4 Nanyang Girls’ High School 2 A man is standing in a lift which is travelling upwards at a constant speed of 5.0 m/s. The mass of the man is 65 kg, while the mass of the lift is 435 kg. 5.0 m/s (a) State the magnitude of the net force acting on the man. Explain your answer with reference to Newton’s Laws of Motion. ….………………………………………………………………………………………....... ….………………………………………………………………………………………....... ....………………………………………………………………………………………… [2] (b) In the space below, draw a free-body diagram of the forces acting on the man, clearly labelling each force and stating its magnitude.