Technical Sciences Grade 11 P1 November Mock Exam 2 2026 QP

Mock hlayiso mock exams Practice Series: Grade 11 Exam Preparation WWW.HLAYISO.COM NATIONAL SENIOR CERTIFICATE GRADE 11 TECHNICAL SCIENCES P1 NOVEMBER EXAMINATION 2026 (MOCK) MARKS: 150 TIME: 3 hours This question paper consists of 13 pages and 1 data sheet. Copyright reserved Please turn over

Technical Sciences/P1 2 Hlayiso/Mock 2026 NSC Mock 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 NINE 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 SHEET. 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. Copyright reserved Please turn over

Technical Sciences/P1 3 Hlayiso/Mock 2026 NSC Mock 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 Two forces of 9 N and 4 N act on an object along the SAME straight line. Which ONE of the following gives the only possible magnitudes of the resultant of these two forces? A 4 N or 9 N B 5 N or 13 N C 9,85 N or 13 N D 5 N or 36 N (2) 1.2 Vectors that act in the same plane are called … vectors. A co-linear B resultant C co-planar D equal (2) 1.3 The resultant of a number of forces acting on a steel beam is 50 N due east. The EQUILIBRANT of these forces is … A 0 N. B 50 N due east. C 100 N due west. D 50 N due west. (2) 1.4 A crate rests on a horizontal concrete floor. Extra bags of cement are loaded onto the crate so that the normal force on the crate DOUBLES. The maximum static frictional force on the crate will … A double. B be halved. C remain the same. D become four times as large. (2) Copyright reserved Please turn over

Technical Sciences/P1 4 Hlayiso/Mock 2026 NSC Mock 1.5 The time taken for ONE complete wave to pass a fixed point is called the … A wavelength. B frequency. C period. D amplitude. (2) 1.6 When a longitudinal wave moves through a medium, the particles of the medium … A vibrate at right angles to the direction in which the wave moves. B vibrate parallel to the direction in which the wave moves. C move along with the wave from the source to the receiver. D do not move at all. (2) 1.7 Sound CANNOT travel through … A water. B steel. C air. D a vacuum. (2) 1.8 A small compass is placed close to the NORTH pole of a bar magnet, as shown below. S N compass The north pole of the compass needle will point … A away from the north pole of the bar magnet. B towards the north pole of the bar magnet. C at right angles to the bar magnet. D in any direction, because the compass is not affected by the magnet. (2) Copyright reserved Please turn over

Technical Sciences/P1 5 Hlayiso/Mock 2026 NSC Mock 1.9 Two point charges exert an electrostatic force of magnitude F on each other. BOTH charges are now doubled and the distance between them is also doubled. The magnitude of the new force is … A F B 1F 4 C 2F D 4F (2) 1.10 Which ONE of the following is a NON-OHMIC conductor? A A nichrome wire kept at a constant temperature B A carbon resistor kept at a constant temperature C The filament of an incandescent light bulb D A copper wire kept at a constant temperature (2) [20] Copyright reserved Please turn over

Technical Sciences/P1 6 Hlayiso/Mock 2026 NSC Mock QUESTION 2 (Start on a new page.) Grade 11 learners investigate how the angle between two forces affects their resultant. Two spring balances pull on a small metal ring O on a horizontal board. One spring balance always pulls with a force of 40 N and the other with a force of 25 N. The angle θ between the two forces is changed, and a third spring balance is used each time to measure the force that balances the two forces. 25 N θ 40 N O The results are shown in the table below. Angle θ between the forces 0◦ 60◦ 90◦ 120◦ 180◦ Magnitude of the resultant (N) 65,0 56,8 X Y 15,0 2.1 Define the term equilibrant. (2) 2.2 For this investigation, write down the: 2.2.1 Independent variable (1) 2.2.2 Dependent variable (1) 2.3 Calculate the value of X. (3) 2.4 Use an accurate scale drawing (the TAIL-TO-HEAD method) to determine the value of Y. Use the scale 10 mm = 5 N. Label your drawing. (4) 2.5 Write down a conclusion for this investigation. (2) 2.6 Write down the MAGNITUDE of the equilibrant of the two forces when the angle between them is 0◦ . (1) [14] Copyright reserved Please turn over

Technical Sciences/P1 7 Hlayiso/Mock 2026 NSC Mock QUESTION 3 (Start on a new page.) A survey drone takes off from a farmhouse at the origin O of the Cartesian plane below and lands at point R. The positive y-axis points NORTH and the positive x-axis points EAST. Each square on the grid represents 20 m. y N 8 R 6 4 2 x -6 -4 -2 O 2 3.1 Is displacement a VECTOR or a SCALAR quantity? (1) 3.2 Write down the coordinates of point R in grid units, as read from the axes. (2) 3.3 Write down the magnitudes, in metres, of the EAST–WEST component and the NORTH–SOUTH component of the displacement of the drone (in this order). (2) 3.4 Calculate the magnitude of the displacement of the drone. (2) 3.5 Determine the direction of the displacement of the drone as a BEARING. (3) [10] Copyright reserved Please turn over

Technical Sciences/P1 8 Hlayiso/Mock 2026 NSC Mock QUESTION 4 (Start on a new page.) A wooden crate of mass 45 kg rests on a horizontal concrete floor in a workshop in Rustenburg. The coefficient of static friction between the crate and the floor is 0,40 and the coefficient of kinetic friction is 0,28. 4.1 Differentiate between static frictional force and kinetic frictional force. (4) 4.2 A worker pushes HORIZONTALLY on the crate with a force of 100 N to the right, but the crate does NOT move. 4.2.1 Write down the magnitude AND direction of the frictional force that the floor exerts on the crate. (2) 4.2.2 Calculate the minimum horizontal force needed to START moving the crate. (4) 4.3 The crate is now pulled to the right with a rope. The rope exerts a force of 180 N at an angle of 25◦ above the horizontal, as shown below, and the crate slides over the floor. 180 N 25◦ 45 kg 4.3.1 Draw a labelled free-body diagram showing ALL the forces acting on the crate while it slides. (4) 4.3.2 Show by calculation that the normal force acting on the crate is 364,93 N. (4) 4.3.3 Calculate the magnitude of the kinetic frictional force acting on the crate. (3) 4.4 The worker now pulls with the SAME force, but at a LARGER angle above the horizontal. How will the kinetic frictional force on the crate change? Write down only INCREASES, DECREASES or REMAINS THE SAME. (1) [22] Copyright reserved Please turn over

Technical Sciences/P1 9 Hlayiso/Mock 2026 NSC Mock QUESTION 5 (Start on a new page.) Ocean waves (swell) move past a pier at Durban towards the beach. The diagram below shows the shape of the water surface at a certain instant. P, Q, S, T and U are points on the water surface. The horizontal distance between crest P and crest U is 27 m and the vertical distance between a crest and a trough is 1,6 m. 27 m P S U 1,6 m Q T direction of motion A floating buoy, anchored next to the pier, makes 10 complete up-and-down movements in 50 s. 5.1 Define the term wavelength. (2) 5.2 Write down the name of the point labelled: 5.2.1 P (1) 5.2.2 Q (1) 5.3 Write down the LETTERS of any TWO points that are IN PHASE. (1) 5.4 Determine the amplitude of the waves. (2) 5.5 Determine the wavelength of the waves. (2) Calculate the: 5.6 Frequency of the waves (3) 5.7 Speed of the waves (3) 5.8 Time that a crest takes to travel 150 m from the end of the pier to the beach. Assume that the speed of the waves remains constant. (3) [18] Copyright reserved Please turn over

Technical Sciences/P1 10 Hlayiso/Mock 2026 NSC Mock QUESTION 6 (Start on a new page.) 6.1 Define the term pitch. (2) 6.2 A technician connects a microphone to an oscilloscope to compare the sounds made by two machines, P and Q, in a factory. The traces below were obtained with the SAME settings on the oscilloscope and over the SAME time interval. Machine P Machine Q 6.2.1 Which machine (P or Q) produces the sound with the HIGHER pitch? Explain the answer. (3) 6.2.2 Which machine (P or Q) produces the LOUDER sound? Give a reason for the answer. (2) 6.3 The parking sensor at the back of a bakkie sends out ultrasound pulses with a frequency of 40 kHz. A pulse reflects off a wall behind the bakkie, and the echo is detected by the sensor 4,0× 10–3 s after the pulse was sent out. Take the speed of sound in air as 340 m·s–1 . 6.3.1 Can the driver hear the 40 kHz sound sent out by the sensor? Give a reason for the answer. (2) 6.3.2 Calculate the distance between the sensor and the wall. (4) 6.3.3 Calculate the wavelength of the ultrasound pulses. (3) 6.4 Give ONE use of ultrasound in medicine. (1) [17] Copyright reserved Please turn over

Technical Sciences/P1 11 Hlayiso/Mock 2026 NSC Mock QUESTION 7 (Start on a new page.) 7.1 Define the term magnetic field. (2) 7.2 Two bar magnets are placed in line with each other on a table. The diagram below shows the magnetic field pattern between pole P of magnet 1 and pole Q of magnet 2. X and Y are two points in the magnetic field. Y magnet 1 magnet 2 P Q X 7.2.1 Identify poles P and Q (NORTH or SOUTH). (2) 7.2.2 Will the two magnets ATTRACT or REPEL each other? (1) 7.2.3 At which point, X or Y, is the magnetic field STRONGER? Give a reason for the answer. (2) 7.3 People who live close to the Earth’s poles sometimes see bright, coloured lights in the night sky, called the aurora (northern or southern lights). Explain how the aurora is formed. (3) 7.4 Give TWO uses of magnets in technology. (2) [12] Copyright reserved Please turn over

Technical Sciences/P1 12 Hlayiso/Mock 2026 NSC Mock QUESTION 8 (Start on a new page.) Two small metal spheres, X and Y, on insulated stands, carry charges of +4× 10–9 C and –6× 10–9 C respectively. The centres of the spheres are a distance r apart. The magnitude of the electrostatic force that X exerts on Y is 6× 10–5 N. +4 × 10–9 C –6 × 10–9 C X Y r 8.1 State Coulomb’s law in words. (2) 8.2 Draw the electric field pattern between spheres X and Y. (3) 8.3 Calculate the distance r between the centres of the spheres. (4) 8.4 Define the term electric field at a point. (2) 8.5 An electrostatic air filter in a factory chimney uses two oppositely charged parallel metal plates, A and B, placed 20 mm apart. A potential difference of 3 000 V is maintained across the plates. Plate A is POSITIVE. A B + – + dust particle – + – + – + – 20 mm 8.5.1 Calculate the magnitude of the electric field between the plates. (3) 8.5.2 A NEGATIVELY charged dust particle enters the space between the plates. Towards which plate, A or B, will the dust particle move? (1) [15] Copyright reserved Please turn over

Technical Sciences/P1 13 Hlayiso/Mock 2026 NSC Mock QUESTION 9 (Start on a new page.) In the circuit below, the battery has an emf of 24 V and negligible internal resistance. Resistor R2 = 12 Ω and an UNKNOWN resistor Rx are connected in parallel, and this parallel combination is connected in series with resistor R1 = 4 Ω. Switch S2 is in series with R2 . Voltmeter V1 is connected across R1 and voltmeter V2 across the parallel combination. Ignore the resistance of the ammeter, the switches and the connecting wires. V2 V R2 = 12 Ω S2 S1 Rx V1 V R1 = 4 Ω 24 V A 9.1 State Ohm’s law in words. (2) 9.2 Define the term emf of a battery. (2) Switches S1 and S2 are both CLOSED. The reading on the ammeter is 3 A. 9.3 Calculate the: 9.3.1 Total (equivalent) resistance of the circuit (3) 9.3.2 Reading on voltmeter V1 (3) 9.3.3 Resistance of resistor Rx (4) 9.3.4 Reading on voltmeter V2 (2) Switch S2 is now OPENED, while S1 remains closed. 9.4 How will the reading on the ammeter change? Write down only INCREASES, DECREASES or REMAINS THE SAME. (1) 9.5 Explain the answer to QUESTION 9.4. (2) 9.6 Calculate the new reading on the ammeter. (3) [22] TOTAL: 150 Copyright reserved

Technical Sciences/P1 1 Hlayiso/Mock 2026 NSC Mock DATA FOR TECHNICAL SCIENCES GRADE 11 PAPER 1 TABLE 1: PHYSICAL CONSTANTS NAME SYMBOL VALUE Acceleration due to gravity g 9,8 m·s–2 Coulomb’s constant k 9,0× 109 N·m2 ·C–2 Charge on electron e –1,6× 10–19 C TABLE 2: FORMULAE VECTORS AND FORCE R2 = R2x + R2y Fx = F cos θ Fy = F sin θ Fnet = ma Fg = mg fmax s = µs N fk = µk N WAVES AND SOUND 1 1 v = fλ T= or f= f T ∆x v= ∆t ELECTROSTATICS kQ1 Q2 F F= E= r2 q Q Q1 + Q2 n= Q= e 2 V E= F = qE d kQ E= 2 r CURRENT ELECTRICITY V R= Rs = R1 + R2 + . . . I 1 1 1 Q = I∆t = + +... R p R1 R2 R1 R 2 W = VQ Rp = R1 + R2 Copyright reserved