What is the definition of Energy?
Ability to do work or cause change
Energy is a fundamental concept in physics that describes the capacity to perform work.
What is Work in physics?
Any time you exert a force on an object
Work is done when a force causes an object to move.
Define Power.
Rate at which work is done on an object in a unit of time
Power quantifies how quickly work is performed.
What is Gravitational Potential Energy?
Energy related to an object’s position in a gravitational field
It depends on the height of the object above a reference point.
What is the equation for Mechanical Energy?
ME = KE + PE
Mechanical energy is the sum of kinetic energy (KE) and potential energy (PE).
What is Electromagnetic Energy?
Form of kinetic energy that travels through space in waves
Electromagnetic energy includes visible light, radio waves, and X-rays.
State the Law of Conservation of Energy.
Energy either moves from one place to another or changes forms, but no energy is created or destroyed
This law is fundamental in understanding energy transfer and transformation.
What is the definition of Energy?
Ability to do work or cause change
Energy is a fundamental concept in physics that describes the capacity to perform work.
What is Work in physics?
Any time you exert a force on an object
Work is done when a force causes an object to move.
Define Power.
Rate at which work is done on an object in a unit of time
Power quantifies how quickly work is performed.
What is Gravitational Potential Energy?
Energy related to an object’s position in a gravitational field
It depends on the height of the object above a reference point.
What is the equation for Mechanical Energy?
ME = KE + PE
Mechanical energy is the sum of kinetic energy (KE) and potential energy (PE).
What is Electromagnetic Energy?
Form of kinetic energy that travels through space in waves
Electromagnetic energy includes visible light, radio waves, and X-rays.
State the Law of Conservation of Energy.
Energy either moves from one place to another or changes forms, but no energy is created or destroyed
This law is fundamental in understanding energy transfer and transformation.
Force
Any push or pull
Motion
When position of object changes
Kinetic energy
Energy and object possesses by virtue of being in motion. It’s affected by amount of speed and mass. KE = (1/2 x mass) x speed2
Potential energy
Energy that results from the position of shape of an object
Elastic potential energy
Energy associated with objects that can be compressed or stretched for example rubber bands, bungee cord, and Springs
Chemical energy
A form of potential energy because it results from the relative position of the particles within a material. for example, photosynthesis of plants, petroleum of oil
Thermal energy
Total potential and kinetic energy of particles in an object. Transfer of energy into the thermal energy of object is called heat. It is always present with friction.
Energy transformation
Energy can transform once (single ET) or multiple times. It’s been one form of energy changes to another.
Energy transfer
when energy moves from one place to another
Work formula
Work = force x distance
Label - Joule
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