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183_notes:define_energy [2018/05/29 21:10] – hallstein | 183_notes:define_energy [2021/03/11 05:13] – [Energy takes different forms] stumptyl | ||
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- | The above quotes come from [[http:// | + | The above quotes come from [[http:// |
==== Lecture Video ==== | ==== Lecture Video ==== | ||
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While energy is difficult to define absolutely, it takes a number of different forms. | While energy is difficult to define absolutely, it takes a number of different forms. | ||
- | //Kinetic// energy is the energy associated with the motion of systems, which can be individual objects or collections of objects. | + | **Kinetic energy** is the energy associated with the motion of systems, which can be individual objects or collections of objects. |
- | //Potential// energy arises from the interactions between pairs of objects. These are manifest in gravitational interactions (//gravitational// potential energy) and electrostatic interactions (//electrostatic//, //elastic//, and //chemical// potential energy). | + | **Potential energy** arises from the interactions between pairs of objects. These are manifest in gravitational interactions (gravitational potential energy) and electrostatic interactions (electrostatic, |
- | There are two other forms of energy that you might be aware of: //radiant// energy associated with light, and the //mass// energy associated with objects that have mass. | + | There are two other forms of energy that you might be aware of: **radiant energy** associated with light, and the **mass energy** associated with objects that have mass. |
While there are many forms of energy, almost all forms of energy used by us can be traced back to the sun. Think about the energy flow that occurs use a hand crank flashlight. | While there are many forms of energy, almost all forms of energy used by us can be traced back to the sun. Think about the energy flow that occurs use a hand crank flashlight. |