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    				| 1. | 1.1 Why are solids rigid? | 
| Answer» Solidsarerigidbecause the intermolecular forces of attraction that are present insolidsare very strong. The constituent particles ofsolids cannot move from their positions they can only vibrate from their mean positive. the main reason is the intermolecular forces of attraction ..... because in the solid state molecules are very closely packed Solids are rigid because their atoms are packed tightly. So they do not bent & flow easily | |