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6696195
TECNOLOGIA
Description
tecnologia 3er ESO
No tags specified
forces
propietats
1º de bachillerato
Mind Map by
Ona Barrufet
, updated more than 1 year ago
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Created by
Ona Barrufet
about 8 years ago
6
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Resource summary
TECNOLOGIA
Propietats
Strength (resistència)
capacity of a material suporting forces. (metal)
Toughness (tenacitat)
material that does not break when reciving a sudden shock. (glass)
Elasticity
materia that deforms when a force is applied. (rubber)
Plasticity
Ductility
ability of a material to deform under tenile stress. (steel)
Malleability
ability of a material to deform under compressive stress. (gold)
Hardness (duresa)
ability of a material to resist scratching, being cut or perfored. (diamond)
Stress
Tension
when an object is pulled with two forces, acting in diferent directions. (cables)
Compression
when an object is pushed with two diferent forces acting in opposite direction. (columns)
Flexion
an object, one in under compression and the other under tension. (beams)
Torision
when an object is twisted by the action of two diferent forces.
Shear (cisallament)
two opposite forces act in the same part of the object, trying to cut it
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