Technical Sciences Memo 1 (English and Afrikaans)

November 2020 — Grade 12 / Matric — Technical Sciences

Memo 2020 Grade 12 Afrikaans

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🎯 150 marks 📄 6 pages 📝 67 items found 📚 1 topics

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Q1— Section header —

1.1(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] Technical Sciences/P1/ Tegniese Wetenskappe/V1 DBE/ November 202020

Q2— Section header —

2.1An object continues in a state of rest or uniform (moving with constant\elocity unless it is acted upon by a net (resultant\force OR An object will remain at rest or continue moving at a constant velocity

2.2OPTION OPSIE OPTION OPSIE

2.3.1Inertia is a property /tendency of an object /body to resist a change in its state of rest or motion

2.3.2Apply Negative marking Pas negatiewe nasien toe Increase. Inertia of an object is directly proportional to its mass When the mass of an object increases

Q3— Section header —

3.1.1Tension is a (pulling\ force acting in a string or rope. Force applied by Zane ( Zane /F

3.1.2Decrease Verlaag (2\

3.1.3OPTION 1 OPSIE 1 OPTION 2 OPSIE 2 ACCEPTABLE LABELS: AANVAARBARE BYSKRIFTE:

3.2OPTION 1/ OPSIE OPTION 2 OPSIE 2 Choose e ast to be positive

Q4— Section header —

4.1.1omentum of an object is the product of the object s mass

4.1.2OPTION OPSIE OPTION OPSIE

4.1.3= m car i car 1 05 0 x 16,67

4.2.1The total linear momentum of an isolated system remains constant (is conserved\magnitude and direction. Die totale lini re momentum in

4.2.2POSITIVE MARKING FROM 4.1.2 POSITIEWE NASIEN VAN 4.1.2 ki

4.3.1Inversely proportional. Omgekeerd eweredig OR net OR When the contact time in

4.3.2Equal to Gelyk aan (1\

4.3.3Impulse remains constant. Airbags increase the contact time during the crash. The longer the contact time, the smaller the force exerted by the driver on the car and the lesser is the extent of injuries.

4.3.4OPTION OPSIE OPTION OPSIE Let the directi

Q5— Section header —

5.1.1 learner /leerder = F pp Cos

5.1.2OPTION 1 OPSIE 1 OPTION 2 OPSIE 2 Choose up to be positive Kies op as positief

5.2.2 OPTION 1 OPSIE OPTION 2 OPSIE

5.2.3POSITIVE MARKING FROM 5.2.2 POSITIEWE MERK VANAF 5.2.2 OPTION 1 OPSIE OPTION

5.2.4POSITIVE MARKING FORM 5.2.2 POSITIEWE NASIEN VANAF 5.2.2 OPTION 1 OPSIE

Q6— Section header —

6.2.1= 1,32 x 10 / 0,00132 (3\

6.2.2OPTION 1 OPSIE 1 OPTION2 OPSIE 2 = 2,827433 x 10

6.3As the temperature increases, viscosity of a fluid\ decreases Soos die temperatuur styg

6.4A body which does not show a tendency to regain its original shape and size when the deforming force is removed 'n Voorwerp wat nie neig om sy oorspronklike vorm en grootte

6.5Clay Wax Putty Aluminium Mild Stee Klei Was Stopverf

6.6In a continuous liquid at equilibrium, the pressure applied at any point is transmitted equally to other parts of the liquid In kontinue

6.7OPTION 1 OPSIE 1 OPTION 2 OPSIE 2 = 1 250 N

6.8The normal force exerted by a liquid at rest on a given surface in contact with it. Die norma lkrag stukrag wat deur

Q7— Section header —

7.1.1 is the type / Positive type semiconductor\

7.1.2 ACCEPT: f the arrow is not shaded AANVAAR : Indien die pyl nie ingekleur is nie

7.1.3Four /4 Vier /4 (1\

7.3The capacitance is directly proportional to the charge between the plates. OR Die kapasitansie is direk eweredig aan die lading tussen die plate. (2

7.4Decrease surface area of the plates. Increase distance between the plates Use dielectric material with a low dielectric constant / permittivity.

Q8— Section header —

8.3Lenz s law states that the direction of the induced emf in the coil

8.4Electromagnetic braking in trains/ rotating machinery. Electric motors Electric generators. Induction cooking pots where the pot is heated by magnetic induction. (ACCEPT ANY OTHER CORRECT

Q9— Section header —

9.1.1(carbon\ brushes commutator / split ring magnet

9.1.2DC motor GS motor (1\

9.2OPTION 1 OPSIE 1 OPTION 2 OPSIE 2 = 218,18 V

Topics Identified

Business Functions

Mark Allocation

Total150 marks

Sections20 + 10 + 16 + 24 + 18 + 9 + 7 = 104 marks

Paper information

SubjectTechnical Sciences

Year2020

SessionNovember

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages15

Downloads3

Examination context

Decade2020s

Years ago6y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2020

Days since exam2,179

About Technical Sciences examination preparation

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