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This question paper consists of 14 pages and 3 data sheets.
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,Technical Sciences/P1 2 DBE/November 2022
NSC
INSTRUCTIONS AND INFORMATION
1. Write your centre number and examination number in the appropriate spaces
on the ANSWER BOOK.
2. This question paper consists of TEN questions. Answer ALL the questions in
the ANSWER BOOK.
3. Start EACH question on a NEW page in the ANSWER BOOK.
4. Number the answers correctly according to the numbering system used in this
question paper.
5. Leave ONE line between two subquestions, e.g. between QUESTION 2.1 and
QUESTION 2.2.
6. You may use a non-programmable calculator.
7. You may use appropriate mathematical instruments.
8. You are advised to use the attached DATA SHEETS.
9. Show ALL formulae and substitutions in ALL calculations.
10. Round off your FINAL numerical answers to a minimum of TWO decimal
places.
11. Give brief motivations, discussions, etc. where required.
12. Write neatly and legibly.
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, Technical Sciences/P1 3 DBE/November 2022
NSC
QUESTION 1: MULTIPLE-CHOICE QUESTIONS
Various options are provided as possible answers to the following questions. Choose
the answer and write only the letter (A–D) next to the question numbers (1.1 to 1.10) in
the ANSWER BOOK, e.g. 1.11 D.
1.1 A block with a mass of 20 kg moves towards the east at a constant velocity
across a rough horizontal surface, as shown in the diagram below.
Fapplied
Ff
θ
20 kg
The velocity is constant because …
A Ff = Fapplied and a = 9,8 m∙s-2.
B Fapplied < Ff and a = 0 m∙s-2.
C Fapplied sinθ = Ff and a = 9,8 m∙s-2.
D Fapplied cosθ = Ff and a = 0 m∙s-2. (2)
1.2 Newton's Third Law of Motion refers to action-reaction pairs of forces. Which
ONE of the following statements is INCORRECT for the action-reaction pairs
in the picture?
A They act along the same line.
B Both forces act on the hammer simultaneously.
C These forces act on the hammer and the nail simultaneously.
D These forces act in opposite directions. (2)
1.3 Impulse is equal to the …
A change in momentum.
B rate of change in momentum.
C product of mass and velocity.
D work done by an object. (2)
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