# Technology Grade 9 June Common 2010 Memo (English) > Grade 9 Technology memorandum from the June Common 2010 (English), 8 pages. Read online or get the free PDF download, question paper linked when available. - Page: https://www.hlayiso.com/library/grade-9-technology-2010-june-common-memorandum/de89ea0d-8220-47e6-9704-d2f89efc5e2c - Updated: 2026-10-29 - Subject: Technology - Grade: Grade 9 - Document type: Memorandum - Year: 2010 - Exam period: June Common - Curriculum: CAPS - Pages: 8 Breadcrumbs: [Home](https://www.hlayiso.com/) › [Library](https://www.hlayiso.com/library) › [Grade 9](https://www.hlayiso.com/library/grade-9) › [Technology](https://www.hlayiso.com/library/grade-9/technology) › [Technology Grade 9 June Common 2010 Memo (English)](https://www.hlayiso.com/library/grade-9-technology-2010-june-common-memorandum/de89ea0d-8220-47e6-9704-d2f89efc5e2c) ## About this document Technology · Grade 9 · June Common · 2010. Memorandum, 8 pages. Read online or download the PDF. Read it free online on the page above; download the PDF from there. ## Document text Text extracted from the PDF. Layout, diagrams and tables may not survive extraction. ### Page 1 Province of the EASTERN CAPE EDUCATION SENIOR PHASE GRADE 9 JUNE 2010 TECHNOLOGY MARKING GUIDELINE MARKS: 100 TIME: 2 hours This marking guideline consists of 7 pages. ### Page 2 2 TECHNOLOGY MARKING GUIDELINE (JUNE 2010) ### Page 3 (JUNE 2010) TECHNOLOGY MARKING GUIDELINE 3 SECTION A: STRUCTURES QUESTION 1 1.1 A 3 √ B 10 √ C 1 √ D 7 √ E 6 √ F 9 √ G 5 √ H 4 √ I 2 √ J 8 √ (10) 1.2 1.2.1 Corrosion is the slow process of material being eaten away. √ 1.2.2 galvanised iron √ (2) [12] QUESTION 2 2.1 2.1.1 To build a bridge across the deep canyon √ (1) 2.1.2 (a)  For people, vehicles, animals, etc to cross the canyon.  To get building material from the nearest town to the village.  to get the raw material from the mine to the nearest processing plant. (any two of the above) √√ (2) (b) The canyon is too deep for a bridge to rest on pillars. √√ (2) (c) No √ In this case the bridge should rather be functional and fulfill its purpose properly. √ (2) (d)  rails for pedestrians  strength for heavy loaded trucks from the mine (any other acceptable answers) √√ (2) (e)  labour  material e.g. cement  transport (any other acceptable answers) √√ (2) 2.2 Learner’s choice Please take not that there must be no pillars reaching the bottom of the canyon. (1) ### Page 4 4 TECHNOLOGY MARKING GUIDELINE (JUNE 2010) Possible answer: Arch bridge √ 2.3 √√ basic arch shape √ neatness and clearness of sketch (any of the above types of Arch bridges or structures of similar design) Reason: All the other types of bridges have pillars that would have to go down to the bottom of the canyon. √ This canyon is too deep for the use of pillars. √ (5) 2.4 Suspension bridge: Two very thick, long main cables, anchored at each end that stretch the full length of the bridge. √ Only the two main cables are supported by the towers. √ Cable-stayed bridge: One type of cable which directly supports the deck and is much shorter than the main cables of a suspension bridge. √ All cables are fixed to a tower at one end and to the deck at the other end. √ (4) [21] QUESTION 3 3.1 3.1.1 E: Compressive √ F: Tensile √ (2) 3.1.2 A flexible √ D stiff √ B stiff √ E stiff √ C flexible √ F flexible √ (6) [8] ### Page 5 (JUNE 2010) TECHNOLOGY MARKING GUIDELINE 5 QUESTION 4 4.1 4.1.1 static force √ 4.1.2 dynamic force √ 4.1.3 dynamic force √ (3) 4.2 4.2.1 Even loads: the mass of the load on each side is exactly the same. √ Uneven loads: there are loads of different weights on each side of the structure. √ (2) 4.2.2 Even loads √√ Uneven loads √√ (The diagrams above illustrate the difference between even and uneven loads. Any other illustrations can be accepted as long as it can differentiate between the two loads) (4) [9] TOTAL SECTION A: 50 ### Page 6 6 TECHNOLOGY MARKING GUIDELINE (JUNE 2010) SECTION B: SYSTEMS AND CONTROL (Mechanical) QUESTION 1 1.1 Object Input Output person turns the the load is lifted fairly easily hand-driven pulley handle on the winch winch √ √ person uses a the jack lifts the car crank to turn the car jack handle √ √ person’s hand the scissors cut the paper applying force to scissors the scissors √ √ person’s hand the mixers of the whisk spin applies force to to whisk turn the handle √ √ person pushes on the wheels turn / the bicycle bicycle’s gear the pedal moves system √ √ [10] QUESTION 2 2.1 2.1.1 A gear is a wheel with cogs that mesh with another gear. √ (1) 2.1.2 The driver gear starts the movement of the gear system. √ The driven gear moves because the driver gear forces it to move. √ (2) 2.1.3 When the two gears are meshed and turning, the driver gear will for example turn clockwise. √ This forces the driven gear to turn in the opposite direction. √ (2) 2.1.4 driver gear label = √ driven gear label = √ direction of driver gear = √ direction of driver gear = √ (4) ### Page 7 (JUNE 2010) TECHNOLOGY MARKING GUIDELINE 7 2.2 Product Gear How input changed to output mechanism shifting rack-and- a worm supplies a rotary movement for the jaws spanner worm gear to move in linear movement. √ √ hand drill bevel gear rotary movement around the axis at handle causes a rotary movement of the bit. √ √ corkscrew rack-and-spur handle at top turns in a rotary movement forcing gear the arms to move up and down (oscillating movement) or the screw moves up and down (linear movement) √ √ (6) 2.3 2.3.1 Learners must first find the revolutions per minute at B 120 A = 3 30 revolutions x 3 = 90 r.p.m. 40 B √ √ √ √ √ (C is fixed to B and therefore rotates at the same speed, i.e. 90 revolutions per minute) Learners now find the revolutions per minute at D 80 C 90 revolutions (at C) x 4 = 360 r.p.m. = 4 20 D √ at D √ √ √ √ (10) 2.3.2 D revolves in a clockwise direction √ (1) [26] QUESTION 3 3.1 ratchet and pawl mechanism (1) 3.2 ratchet √ OR pawl √ neatness of sketch - √ (3) [4] ### Page 8 8 TECHNOLOGY MARKING GUIDELINE (JUNE 2010) QUESTION 4 4.1 Velocity ratio can be defined as the ratio of the distance moved by the effort to the distance moved by the load. √ (1) 4.2 4.2.1 Load 4 Mechanical advantage = = = 4 Effort 1 √ √ √ (3) 4.2.2 Load 100N Effort = = = 25N Mechanical advantage 4 √ √ √ (3) 4.2.3 The distance moved by effort: Distance moved by effort 4m = = 1m Velocity ratio 4 √ √ √ (3) [10] TOTAL SECTION B: 50 GRAND TOTAL: 100 ## Related documents - [2 Junie 2010 Tegnologie Gr 9 Memo Afr](https://www.hlayiso.com/library/grade-9-technology-2010-june-common-memorandum/b4ff03ac-d31d-48c3-ac49-a801ee21269d) — Technology · Memo · 2010 · Afr - [2 June 2010 Technology Gr 9 Paper Eng](https://www.hlayiso.com/library/2-june-2010-technology-gr-9-paper-eng/51e3a387-e1c8-4b3a-b8d7-1fb83ea07353) — Technology · QP · 2010 · Eng - [2 June 2010 Tegnologie Gr 9 Vraestel Afr](https://www.hlayiso.com/library/2-june-2010-tegnologie-gr-9-vraestel-afr/e24faf96-c637-4356-9336-e9dcece745a0) — Technology · QP · 2010 · Afr - [TEGNOLOGIE GRD 9 MEMO NOV 2010](https://www.hlayiso.com/library/grade-9-technology-2010-november-ec-memorandum/5d526dc2-6493-4d7d-9370-9d7a34455970) — Technology · Memo · 2010 - [TECHNOLOGY GRD 9 MEMO NOV 2010](https://www.hlayiso.com/library/grade-9-technology-2010-november-ec-memorandum/b9d758c5-f5b1-4cb1-a541-1937f0782b26) — Technology · Memo · 2010 - [TECHNOLOGY QP ENG NOV 2010](https://www.hlayiso.com/library/technology-qp-eng-nov-2010/870d6eba-d7ad-4f4d-a934-5337a045b269) — Technology · QP · 2010 · Eng ## More from Grade 9 Technology - [CAPS SP TECHNOLOGY GR 7-9](https://www.hlayiso.com/library/caps-sp-technology-gr-7-9/62964f64-93d9-4096-912f-ec9ca278b2fa) — CAPS · Eng - [Grade 9 Technology November 2026 Mock](https://www.hlayiso.com/library/grade-9-technology-2026-november-mock-exam-question-paper/f0fa27d5-74dc-4ab2-aed3-034ed0f15c6a) — QP · 2026 · Eng - [TECH GR9 QP NOV 2016 ENG](https://www.hlayiso.com/library/tech-gr9-qp-nov-2016-eng/bccceeff-c9a2-4535-8567-46bc3ad208f7) — QP · 2016 · Eng - [TECH GR9 QP NOV 2016 AFR](https://www.hlayiso.com/library/tech-gr9-qp-nov-2016-afr/6497aff1-9e49-41f7-b766-24c512bb4e3e) — QP · 2016 · Afr - [TECH GR9 QP NOV 2014 AFR](https://www.hlayiso.com/library/tech-gr9-qp-nov-2014-afr/7af4fb9a-d53e-4e79-bd56-d79c5ee7515a) — QP · 2014 · Afr - [TECH GR9 QP NOV 2014 ENG](https://www.hlayiso.com/library/tech-gr9-qp-nov-2014-eng/750e3708-0a84-4778-aa32-dcdb0520b4f8) — QP · 2014 · Eng ## Collection - [Grade 9 past papers](https://www.hlayiso.com/grade-9/past-papers) --- Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. 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