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Why are rocks hard?

Updated: 8/10/2023
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11y ago

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Rocks are hard because the atoms comprising the minerals which are present in rocks have formed a latticework which make them solid and very stiff. Solid, stiff objects require a significant load applied over a small area to undergo deformation.

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11y ago
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14y ago

Solids are hard because, there particles are tightly packed therefore there is no room for them to migrate.

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12y ago

Because they are solids and they are hard

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