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is the effect of pulling at the ends of a part or member of
a structure. Take your Blu-tak or plasticine again. Roll it
out and gently pull the ends. This time you will see that
it becomes thinner in the middle and eventually breaks |

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A
tug of war creates tension in the rope between the teams.
A chain which suspends a light from a ceiling is in tension.
The parts of a structure which are in tension have to resist
this kind of change. Make a list of things which you think
are in tension |
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