Scientific Conception of Work
To understand the way we view and define work from the scientific point of view, let us consider some situations:
Push a pebble lying on a surface. The pebble moves through a distance. You exerted a force on the pebble and the pebble got displaced. In this situation work is done.
A girl pulls a trolley and the trolley moves through a distance. The girl has exerted a force on the trolley and it is displaced, therefore,
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