Engineering Science N1 December Past Papers and Memos

1. Q1 Dynamics1.1 Classify the following as a vector or a scalar: 14 marks
2. Q2 Statics2.1 Define the term, triangle of forces. (2) 15 marks
3. Q3 Energy, Work and Power3.1 What can be defined as the rate of doing work? (1) 14 marks
4. Q4 Heat4.1 A few ice cubes are put in a warm cup of coffee for a few minutes. 18 marks
5. Q5 Particle Structure of Matter5.1 Complete the following paragraph by using the words provided in the list below. 14 marks
6. Q6 Electricity6.1 State Ohm's law. (2) 25 marks

Instructions to candidates

1. Answer all the questions.
2. Start each section on a new page.
3. Read all the questions carefully.
4. Number the answers according to the numbering system used in this question paper.
5. Answers to calculations must be given correctly to three decimal places after the comma.
6. All calculations must include the following three steps: 1: The formula. 2: The replacement of values. 3: The answer and correct SI-unit.
7. Gravitational acceleration (g) should be taken as 9.8 m.s-2.
8. Use only a black or blue pen.
9. Write neatly and legibly. (15070391) -3-