뒤로Energy with Non-Conservative Forces definitions
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1/15뒤로Skip to main content뒤로Conservation of Energy
A principle stating that the total energy in an isolated system remains constant, accounting for both conservative and non-conservative forces. Non-Conservative Forces
Forces like friction and applied forces that cause energy to be added or removed from a system, affecting mechanical energy conservation. Applied Force
An external force exerted on an object, often resulting in work done and changes in the object's energy. Friction
A force opposing motion between surfaces in contact, often converting kinetic energy into thermal energy. Kinetic Energy
The energy an object possesses due to its motion, calculated as 1/2 times mass times velocity squared. Potential Energy
Energy stored in an object due to its position or configuration, often associated with gravitational or elastic forces. Work
The process of energy transfer to or from an object via a force acting over a distance, calculated as force times distance times cosine of the angle. Mechanical Energy
The sum of kinetic and potential energy in a system, which may change due to non-conservative forces. Smooth Ice
A surface with negligible friction, allowing for minimal energy loss due to frictional forces. Cosine Theta
A trigonometric function used in calculating work, representing the angle between force direction and displacement. Initial Speed
The speed of an object before any external forces are applied, used as a reference in energy calculations. Final Speed
The speed of an object after external forces have acted on it, often determined using energy equations. Joules
The SI unit of energy or work, equivalent to one newton meter. Mass
A measure of the amount of matter in an object, influencing its resistance to acceleration. Distance
The length of the path over which a force is applied, affecting the work done on an object.
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