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Physics: Energy
Work, Energies, mechanical energy, elastic potential energy, friction
Is energy (all types) conserved? | YES |
What is Work? | amount of energy used applying a force for a certain distance. |
What are the types of potential energy? | PE due to gravity and elastic PE |
In case of friction, what is the mechanical energy transformed into? | Heat and/or sound. |
What is elastic potential energy? | Energy created by applying a force on a spring transferring energy into the spring. |
What is potential energy due to gravity? | It is the energy created from the position(height) of objected acted on by created by the attraction (force of gravity) |
What is potential energy? | Energy on an not moving object created by the location/position. |
What is kinetic energy? | Energy stored/gained by velocity and mass of the object in motion. |
Does the reference point for height = 0 in an equation of PE and KE affect the result? | No, because the KE friction won't be 0 anymore and would have a potential energy since the reference line is lower. |
Is mechanical energy always conserved? | NO |