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Work in Physics: Meaning, Formula & Solved Examples Therefore, if Work needs to be done, then it requires both force and displacement to be non-zero. To understand work, we need to have a clear idea about the concept of force and the concept of displacement. Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement. The word work has many shades of meaning, but most involve putting in an effort of some sort. You're not going to become an Olympic ice skater overnight. You'll need to do a serious amount of work to get there. According to Rene Dugas, French engineer and historian, it is to Solomon of Caux "that we owe the term work in the sense that it is used in mechanics now". Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. This is because those authorities which have assigned work to their own work forces cannot s