Work And Power: Work: In everyday conversation, we often use the term ‘Work’ to mean any labor which requires either physical or mental effort. Thus, the term work gives us an idea of something being done. For instance, a student solving a numerical problem of mathematics is engaged in a mental activity whereas a gate-keeper standing outside gate of a cinema hall is engaged in a physical activity. Hence, both of them are said to be doing work. However, in the language of physics, the term work has a special meaning. A mechanical work is done when a body starts … Continue reading Work And Power