"klasična mehanika" meaning in Serbo-Croatian

{
  "forms": [
    {
      "form": "класична механика",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "f",
        "head": "klasična mehanika"
      },
      "expansion": "klasična mehanika f (Cyrillic spelling класична механика)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sh",
          "name": "Physics",
          "orig": "sh:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "classical mechanics"
      ],
      "id": "en-klasična_mehanika-sh-noun-F27Ympja",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "classical mechanics",
          "classical mechanics"
        ]
      ],
      "raw_glosses": [
        "(physics) classical mechanics"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "klasična mehanika"
}

{
  "forms": [
    {
      "form": "класична механика",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "f",
        "head": "klasična mehanika"
      },
      "expansion": "klasična mehanika f (Cyrillic spelling класична механика)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian feminine nouns",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian multiword terms",
        "Serbo-Croatian nouns",
        "Serbo-Croatian terms with redundant head parameter",
        "sh:Physics"
      ],
      "glosses": [
        "classical mechanics"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "classical mechanics",
          "classical mechanics"
        ]
      ],
      "raw_glosses": [
        "(physics) classical mechanics"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "klasična mehanika"
}