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Summary: Work and Potential Energy (A) Work done by a force $\displaystyle=\int\FLPF (s)\cdot d\FLPs$. Work done on a particle $=\text {change of its Kinetic Energy }$ $=\Delta (\frac {1} {2}mv^2)$.
Review the units of work, energy, force, and distance. Use the equations for mechanical energy and work to show what is work and what is not. Make it clear why holding something off the ground or carrying something over a level surface is not work in the scientific sense.
Concepts of work, kinetic energy and potential energy are discussed; these concepts are combined with the work-energy theorem to provide a convenient means of analyzing an object or system of objects moving between an initial and final state.
Explain work as a transfer of energy and net work as the work done by the net force. Explain and apply the work-energy theorem.
Work (physics) 102 languages. Afrikaans; ... In more general systems work can change the potential energy of a mechanical device, the thermal energy in a thermal system, or the electrical energy in an electrical device. Work transfers energy from one place to another or one form to another. ... It is known as the work–energy principle: = ...
More specifically, every conservative force gives rise to potential energy. For example, the work of an elastic force is called elastic potential energy; work done by the gravitational force is called gravitational potential energy; and work done by the Coulomb force is called electric potential energy.
Potential energy is the energy a system has due to position, shape, or configuration. It is stored energy that is completely recoverable. A conservative force is one for which work done by or against it depends only on the starting and ending points of a motion and not on the path taken.
