TMJC 2024 H1 Physics P1 QP n MS

CANDIDATE NAME ( ) CIVICS GROUP _________________________________________________________________________ H1 PHYSICS 8867/01 Paper 1: Multiple Choice 20 September 2024 1 hour Additional Materials: Multiple Choice Answer Sheet _________________________________________________________________________ READ THESE INSTRUCTIONS FIRST You do not need to submit this Booklet at the end of the examination. Write in soft pencil. Do not use paper clips, glue or correction fluid. Write your name, class and index number on the Multiple Choice Answer Sheet in the spaces provided. There are thirty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C, D. Choose the one you consider correct and record your choice in soft pencil on the Multiple Choice Answer Sheet. Read the instructions on the Multiple Choice Answer Sheet. 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 16 printed pages. TAMPINES MERIDIAN JUNIOR COLLEGE JC2 PRELIMINARY EXAMINATION

2 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics Data speed of light in free space c = 8 13.00 10 m s  elementary charge e = 191.60 10 C unified atomic mass constant u = 271.66 10 kg rest mass of electron me = 319.11 10 kg rest mass of proton mp = 271.67 10 kg the Avogadro constant NA = 23 16.02 10 mol  gravitational constant G = 11 2 26.67 10 N m kg  acceleration of free fall g = 29.81 m s Formulae uniformly accelerated motion s = ut + at2 v2 = u2 + 2as resistors in series R = … resistors in parallel 1 / R = … 1 2 1 2R R  1 21/ 1/R R 

3 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 1 Which list contains only SI base units? A ampere, mole, joule, gram B second, kelvin, ampere, kilogram C kilogram, mole, metre, newton D metre, coulomb, second, mole 2 What is a reasonable estimate for the volume of a pen? A 0.10 cm3 B 1.0 cm3 C 10 cm3 D 100 cm3 3 Which value is equivalent to 1.0 m? A 1.0 × 10−3 mm B 1.0 × 106 m C 1.0 × 10−9 nm D 1.0 × 1012 Tm 4 Which of the following statements does not describe a random error? A Random error can be eliminated. B The magnitude of random error cannot be predicted. C Random error is dependent on the instrument used for the measurement. D Random error can be reduced by averaging repeated readings.

4 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 5 The diagram shows the variation with time t of the acceleration a of a body travelling in a straight line. What is the change in velocity between t = 0 and t = 10 s? A zero B −0.60 m s−1 C −6.0 m s−1 D −15.6 m s−1 6 On the Earth, a long jumper took 1.0 s to land from his jump. What is the equivalent time of flight and the maximum height if he makes a similar jump on the Moon where the acceleration of free fall is 1 6 that on the Earth? time of flight / s maximum height A 6 6 times as high B 6 62 times as high C 6 6 times as high D 6 62 times as high a / m s−2 2.4 t / s −3.6 10 0 4.0

5 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 7 A large block of concrete is placed on the ground at the equator where it is rotating with the Earth. The forces acting on the Earth and on the concrete are shown. Which pairs of forces demonstrate Newton’s 2nd Law & Newton’s 3rd Law? Newton’s 2nd Law Newton’s 3rd Law A F3 and F4 F2 and F4 B F3 and F4 F1 and F2 C F1 and F3 F2 and F4 D F1 and F3 F1 and F2 equator axis of rotation forces acting on the Earth forces acting on the concrete F1 F2 F4 F3 position of concrete

6 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 8 A force F is applied on a spring of force constant k. The extension of the spring is e. An identical spring is attached, and the same force F is applied to the new system of springs as shown below. What is the resultant spring constant and the total elastic potential energy (EPE) stored in the new system? resultant spring constant total EPE A 2k 2 4 ke B 2k 2 8 ke C 2 k 2 4 ke D 2 k 2 8 ke k F k F k

7 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 9 An octagonal shaped nut, of width d, is subjected to eight forces F as shown below. All forces are equal in magnitude. What is the net torque caused by all the forces? A Fd B 2Fd C 3Fd D 4Fd 10 A uniform beam of weight 60 N is mounted to a wall by a hinge. The beam is kept horizontal by a rope at the other end which exerts a force of 60 N at an angle of 30 as shown below. Which of the follow ing is the value of the reaction force R at the hinge and the angle θ between R and the horizontal beam? R / N θ /  A 30 30 B 30 60 C 60 30 D 60 60 F F F F F F F F d 30 60 N 60 N hinge

8 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 11 A horizontal magnet X is suspended by a string from the ceiling. A magnet Y is brought close such that magnet X is held stationary as shown. Magnet X has a weight of W. The magnetic force by magnet Y on magnet X is P. The tension in the string is T. Which vector triangle represents the forces on the magnet X? A B C D magnet X magnet Y string T W P T W P T W P T W P

9 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 12 A metal wire is stretched by a varying force F, causing its extension x to increase as shown by the line PQR on the graph. The force is then gradually reduced to zero and the relation between the force and the extension is indicated by the line RS. What area represents the work done on the wire at point R? A J B K C L D K + L 13 The diagram shows a wheel of circumference 0.30 m which is driven by an electric motor. A rope is fastened at one end of the spring balance. The rope passes over the wheel and supports a freely hanging load of 100 N. When the wheel makes 50 revolutions per second, the balance reading is constant at 20 N. The efficiency of the motor is 20%. What is the electrical power supplied to the motor? A 240 W B 360 W C 6000 W D 9000 W F x P 0 S 0 Q R J K L spring balance load wheel

10 Tampines Meridian Junior College 2024 JC2 Preliminary Examination H1 Physics 14 A body moves in a uniform circular motion from A to B as shown in the diagram. The radius of the circle is 0.40 m and the speed of the body is 6.0 m s−1. What is its angular velocity and angular displacement? angular velocity / rad s−1 angular displacement / rad A 2.4 0.63 B 2.4 1.6 C 15 0.63 D 15 1.6 15 On the surface of the Earth, the gravitational force on an object is W. What is the gravitational force on the object when it is at a height of 2 R above the surface of the Earth, where R is the radius of the Earth? A 2 W B 3 W C 4 W D 9 W 6.0 m s−1 A 0.40 m B