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NASIONALE SENIOR SERTIFIKAAT: MEGANIESE TEGNOLOGIE – FORMULEBLAD Bladsy 1 van 1
FORMULEBLAD
1. SPANNING EN VERVORMING
Krag F
1.1 Spanning = of σ=
Oppervlakte A
Spanning σ
1.2 Young se modulus = of E= ε
Vervorming
Verandering in lengte ∆𝑙𝑙
1.3 Spanning = of 𝜀𝜀 = 𝑜𝑜𝑜𝑜
Oorspronklike lengte
π D2
1.4 A as =
4
1.5 A πyπ =
(
π D2 − d2 )
4
2. STELLING VAN PYTHAGORAS EN TRIGONOMETRIE
r
y
ϴ
x
y
2.1 sin θ =
r
x
2.2 cos θ =
r
y
2.3 tan θ =
x
2.4 r 2 = x2 + y2 of a2 = b2 + c2
3. PATRONE EN ONTWIKKELINGS
3.1 Gemiddelde ø = Buite-ø – Plaatdikte of
Gemiddelde ø = Binne-ø + Plaatdikte
3.2 Gemiddelde omtrek = π × Gemiddelde ø
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Mechanical Technology Grade 12 IEB 2019 Information Sheet (Afr)
IEB Grade 12 Mechanical Technology information sheet from the 2019 (Afrikaans), 1 page. Read online or get the free PDF download.
Publisher: IEB
Mechanical Technology · Grade 12 · 2019 · Afrikaans. Information sheet, 1 pages. Read online or download the PDF.
- Subject
- Mechanical Technology
- Grade
- Grade 12
- Language
- Afrikaans
- Document type
- Information sheet
- Year
- 2019
- Publisher
- IEB
- Curriculum
- IEB
- Pages
- 1
- File size
- 132.4 KB
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