Technical Sciences Memo 1 (English and Afrikaans)

November 2023 — Grade 12 / Matric — Technical Sciences

Memo 2023 Grade 12 Afrikaans

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🎯 150 marks 📄 4 pages 📝 79 items found 📚 1 topics

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1.1/D (2\

1.2(2\

1.3(2\

1.4(2\

1.5(2\

1.6(2\

1.7(2\

1.8(2\

1.9(2\

1.10(2\ [20]20

Q1— Section header —

Q2— Section header —

2.1OPTION 1/ OPSIE OPTION OPSIE ACCEPTABLE LABELS

2.2When a net/resultant force is applied to an object of mass, m, it accelerates the object in the direction of the net force. The acceleration is directly proportional to the net/resultant force and inversely proportional to the mass of

2.3For 220 kg block Vir 'n 220 kg blok net

2.4POSITIVE MARKING FROM 2.3/ POSITIEWE NASIEN VANAF

2.3For a 75 kg block Vir 'n 75 kg blok net

2.5Increases Toeneem (1\ EGATIVE MARKING FROM 2.5 /NEGATIEWE NASIEN VANAF 2.5

2.6If the string joining the blocks is horizontal/ Indien die tou wat die twee blo ke verbind, horisontaal is: Magnitude of the normal force increases. Grootte van die normaalkrag

Q3— Section header —

3.1

3.1.2= 0,1 m = 0,2 m

3.1.3OPTION 1/ OPSIE 1 OPTION 2/ OPSIE 2 after na = mv

3.1.4Conserved Behoue before voor after

3.2.1Product of the net force and the time the net force acts on an object. Produk van die netto krag en die tyd wat die netto krag op die voorwerp inwerk.

2.2OPTION 1/ OPSIE 1 DOWN AS / AFWAARTS AS OPTION 2/ OPSIE 2 DOWN AS +

3.3Safety /seat belts Veiligheidsgordels Airbags Lugsakke Crumple zones

Q4— Section header —

4.1The product of the force applied on an object and the displacemen t in the direction of the force.

4.3OPTION 1/ OPSIE 1 OPTION 2/ OPSIE 2 ave/ gemid = Fv ave/

4.4.1

4.4.2Greater than Groter as NEGATIVE MARKING FROM 4.4.2

4.3Mechanical energy on the ground is zero Meganiese energie op die grond is nul.

4.4.4top bo = M bottom

Q5— Section header —

5.1.1OPTION 1/ OPSIE 1 OPTION OPSIE

5.1.2Yes Ja The magnitude of the output force (25 051,02 N\ is greater/more than that of the required force of (20 kN\

5.2.1Stress is the internal restoring force per unit area of a body Druk (Spanning\s die interne herstelkrag per eenheidsarea van 'n liggaam. (2\

5.2.2OPTION 1/ OPSIE 1 OPTION 2/ OPSIE = 706,85 x 10

5.2.3OPTION 1/ OPSIE OPTION 2/ OPSIE (3\

5.2.4POSITIVE MARKING FROM

5.2.2to

5.2.3POSITIEWE NASIEN VANAF

5.22 tot 5.2.3 9,43 x Pa (3\

5.3Monograde oil is only suitable for use within a very narrow temperature range. Monograde oil has one viscosity at all temperatures

Q6— Section header —

6.1.1Reflection Weerkaatsing (1\

6.1.2is equal to is gelyk aan (1\

6.1.3The image is of the same size as the object Die beeld is dieselfde grootte as die voorwerp. It is formed at the same distance from the mirror as the object. Dit word

6.2.1The wavelength increases/the speed of light increases. Die golflengte neem toe/die spoed van lig neem toe. The light ray bends away from the normal Angle of refraction is greater than the angle of incidence

6.2.2The light ray would be reflected back into the water. Die ligstraal sal terug in die water weerkaats (gereflekteer\ word. OR /OF Total internal reflection /Totale interne weerkaatsing (1\

6.2.3MARKING CRITERIA NASIENKRITERIA orrect label of reflected ray Korrekte byskrif van

Q7— Section header —

7.1.1Gamma ray Gammastraal (1\

7.1.2Highest frequency/ shortest wavelength Hoogste frekwensie/kortste golflengte Highest energy of the photons Hoogste energie van die fotone Highes

7.1.3OPTION 1/ OPSIE OPTION 2/ OPSIE photon/ foton

7.2.1 Convex/ Converging (lens\ Konvekse/Konvergerende lens

7.2.2 Virtual Virtueel (1\

7.2.3NEGATIVE MARKING FROM 7.2.2 NEGATIEWE NASIEN VANAF 7.2.2 The image is formed at a point where the refracted rays appear to converge when extended

Q8— Section header —

8.1V = 240 V (5

8.2Filter circuits in power supplies /Tunning circuits Filtreerstroombane in kragtoevoer moothing circuits

Q9— Section header —

9.1When 220 V is applied to the machine, 5,3 kJ of energy is consumed every second (to convert electrical energy into light and heat energy\ Wanneer 220 V

9.2.1OPTION 1/ OPSIE OPTION 2/ OPSIE P = I

9.2.2POSITIVE MARKING FRO

9.2.1POSITIEWE NASIEN VANAF

9.2.1

2.3OPTION 1/ OPSIE OPTION 2/ OPSIE Cost/ Koste tarief

Q10— Section header —

10.1A device that converts mechanical energy into electrical energy 'n Toestel wat meganiese energie in elektriese energie omskakel (2\

10.2AC WS generator (1\

10.3AC generators ha ve slip rings. WS generators het sleepringe. (1\

10.4.1

10.4.2(3\ [9] TOTAL TOTAAL 1509

Topics Identified

Business Plan

Mark Allocation

Total150 marks

Sections20 + 21 + 22 + 19 + 10 + 8 + 11 + 9 = 120 marks

Paper information

SubjectTechnical Sciences

Year2023

SessionNovember

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages14

Downloads2

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start daySunday

Exam periodNovember 2023

Days since exam1,083

About Technical Sciences examination preparation

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