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Topic 1 - Motion, Forces & Conservation of Energy
Acceleration
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Acceleration
The
rate
of
change
in
velocity
or how
quickly
something
speeds
up
or
slows
down
Acceleration
Measured in
meters per second squared
Delta
(Δ)
Means
change
Delta v
(Δv)
Change
in
velocity
, can be written as
v
-
u where
v
is
final
velocity and
u
is
initial
velocity
Acceleration
Is a
vector
quantity, has
direction
as well as
magnitude
, can be
negative
(
deceleration
)
Acceleration
Can be
average
over
time
if not
constant
Uniform
/
constant acceleration
Acceleration
is the
same
throughout
Acceleration equation
2
Includes
distance
(s)
instead
of
time
(t)
If an object starts from
stationary
, its
initial velocity
(u) is
0