"Atwood machine" meaning in English

{
  "etymology_text": "Invented in 1784 by the English mathematician George Atwood.",
  "forms": [
    {
      "form": "Atwood machines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Atwood machine (plural Atwood machines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A device used to verify the mechanical laws of motion with constant acceleration, consisting of two objects of known masses connected by a string over a pulley."
      ],
      "id": "en-Atwood_machine-en-noun-fQsaJgC2",
      "links": [
        [
          "mass",
          "mass"
        ],
        [
          "string",
          "string"
        ],
        [
          "pulley",
          "pulley"
        ]
      ],
      "synonyms": [
        {
          "word": "Atwood's machine"
        }
      ],
      "translations": [
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "spadkownica"
        }
      ]
    }
  ],
  "word": "Atwood machine"
}

{
  "etymology_text": "Invented in 1784 by the English mathematician George Atwood.",
  "forms": [
    {
      "form": "Atwood machines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Atwood machine (plural Atwood machines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Polish translations",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "A device used to verify the mechanical laws of motion with constant acceleration, consisting of two objects of known masses connected by a string over a pulley."
      ],
      "links": [
        [
          "mass",
          "mass"
        ],
        [
          "string",
          "string"
        ],
        [
          "pulley",
          "pulley"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Atwood's machine"
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "spadkownica"
    }
  ],
  "word": "Atwood machine"
}