2014-3 Log Book

Page 1

Week 1

Forces defined by direction, sense and magnitude

Knowledge Map

• Tension o external load pulls on a structural member o particles move apart and undergo tension o stretch and elongate the material • Compression o opposite effect of a tension force o external load pushes on a structural member o particles of the material compact together o result in the shortening of the material

Materials • Melbourne – bluestone (basalt) Victoria volcanoes Dark colouring • Sydney - sandstone • Perth - clay for brick, limestone


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