Science
Scientific meaning of work
In this Class 9 Science topic from “Work, Energy, and Simple Machines,” students learn the scientific meaning of work in mechanics. Work is done when a force causes displacement of an object, and it is calculated as W = F × s when force and displacement are in the same direction. The topic also explains positive, negative, and zero work, introduces the joule as the SI unit, and connects work with everyday actions, energy transfer, and the working of simple machines.
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Practice questions are not available for this topic yet. We plan to add questions with clear explanations soon. You can keep practising other topics in the meantime.
- Class / subject
- 9 · Science
- Chapter
- Work, Energy, and Simple Machines
- Topic
- Scientific meaning of work
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