5.2 Energy Flashcards
Gravitational Potential Energy
the potential energy an object has because
of its distance above the earth (or some
other point of reference)
Energy is measured in Joules and is
_________.
scalar
Kinetic Energy
the energy of a moving object
The kinetic energy of an object depends
on the ____ and _______ of the object.
mass; speed
The sum of the object’s kinetic and gravitational
energy is called _____________.
mechanical energy
form of mechanical energy
potential and kinetic
mechanical energy
energy possessed by
objects that are primarily
affected by the force
of gravity and frictional
forces
form of gravitational energy
potential
gravitational energy
energy possessed by
objects that are affected
by the force of gravity;
applies to all objects on
Earth (and the universe)
form of radiant energy
potential and kinetic
radiant energy
energy possessed by
oscillating electric and
magnetic fields
electrical energy (static) form
potential
electrical energy (static)
energy possessed by
accumulated static
charges
electrical energy (current) form
potential and kinetic
electrical energy (current)
energy possessed by
flowing charges
thermal energy form
potential and kinetic
thermal energy
energy possessed by
randomly moving atoms
and molecules
sound energy form
potential and kinetic
sound energy
energy possessed by
large groups of oscillating
atoms and molecules
nuclear energy form
potential
nuclear energy
energy possessed by
protons and neutrons in
atomic nuclei
elastic energy form
potential
elastic energy
energy possessed
by materials that are
stretched, compressed, or
twisted and tend to return
to their original shape
chemical energy form
potential
chemical energy
energy associated with
bonds in molecules
