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Classification of bodies: rigid, elastic or plastic (4842)
Lunes 11 de noviembre de 2019, por
Classify the following objects into rigid, plastic or elastic bodies:
a) The mechanism of a key on the computer keyboard.
b) Sunglasses.
c) A headband.
d) A steel fork.
e) The bristles of a toothbrush.
f) Bread dough.
Rigid: b) and d).
Plastic: f).
Elastic: a), c) and e).