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N5 Physics
Dynamics
Energy
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Created by
Owen Irvine
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Cards (7)
Conservation
of energy means energy is never
lost
, but
converted
from one form to another
The energy change when an object is
lifted
is work done to
gravitational potential
energy
The energy change when an object falls is
gravitational potential
energy to
kinetic
energy
Work done
is the energy used when a
force
is applied over a
distance
Gravitational
potential energy is the energy
gained
by an object when lifted to a
height
Kinetic
energy is the energy stored by a
moving
object
When
work
is done against
friction
, energy is changed into
heat
and
sound