Energy The energy of a system is defined as its ability to do work. The “work” here refers to the precise definition of “work done” in physics, which is the product of the amount…
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In everyday life, the terms “work done” and “power” can mean a lot of things. You may say that you “got a lot of work done today” or “that was a very powerful speech”.…
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Pressure If you have ever hammered a nail or drank from a straw, you have made use of pressure to accomplish a task. A lot of the technology we use today work based on…
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When a force is applied to an object connected to a pivot, it can cause the object to turn about that pivot. This process is referred to as the turning effect or moment of…