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WSKT 212 PAC

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2.2 Die diagram hieronder toon ‘n sekere<br />

dakraam:<br />

2.2.1 Bereken die lengte van balk BD, korrek<br />

tot twee desimale plekke, deur slegs<br />

gebruik te maak van die inligting in<br />

driehoek ABD.<br />

2.2.2 Gebruik slegs die inligting in driehoek<br />

BCD en voer ‘n berekening uit om u<br />

antwoord op vraag 2.2.1 te kontroleer.<br />

(Benader u antwoord weer tot twee<br />

desimale plekke)<br />

Vraag 3/ Question 3<br />

3.1 ‘n Krag van 350 kN werk in ‘n plat<br />

horisontale vlak in ‘n rigting 37° wes<br />

van suid.<br />

3.1.1 Bereken die westelike komponent van<br />

die krag.<br />

3.1.2 Bereken die suidelike komponent van<br />

die krag.<br />

200<br />

The diagram below shows a certain<br />

roof frame:<br />

Calculate the length of beam BD,<br />

correct to two decimal places, using<br />

only the information in triangle ABD.<br />

Use only the information in triangle<br />

BCD and perform a calculation to<br />

check your answer to question 2.2.1.<br />

(Once again, approximate your<br />

answer to two decimal places)<br />

A Force of 350 kN acts in a flat<br />

horizontal plane in a direction 37° west<br />

of south.<br />

Calculate the westward component of<br />

the force.<br />

Calculate the southward component of<br />

the force.

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