Work close workEnergy transferred by a force. Work done = force × distance moved in the direction of the force. is done when energy is transferred from one store to another. Work is also done when a ...

There are quite a few fundamental constants. These are things like the speed of light (c) the charge on an electron (e), and the Planck constant (h). These constants are determined with some type of ...

The science of calibration dates to 1949, when the U.S. Air Force was figuring out how many G's a human being could endure. That is, they wanted to know how to calculate gravitational force, G-force, ...