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module 5: newtonian world and astrophysics
5.2 circular motion
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Cards (10)
what is 360 degrees in radians?
2π
what are the components of this equation?
ω =
angular velocity
T =
time period
what is the relationship between
time
period and
frequency
?
T
=
1
/
f
what is
centripetal
force
?
a constant net force
perpendicular
to the
velocity
of an object that causes it to travel in a circular path
what
do the components of this equation represent?
ω =
angular
velocity
v =
linear
velocity
r =
radius
what happens to the angular velocity when the radius is doubled?
stays the
same
what happens to the radius when the linear velocity is doubled?
radius is
doubled
what factors effect centripetal acceleration?
speed
of the object
radius
of the circle
what is an experiment that investigates circular motion?
swing a
bung
around in a
horizontal
circle
suspended
weight
remains
stationary
as long as the
centripetal
force it supplies is enough to make the
bung
travel in a
circular
path
if
centripetal
force
required is
larger
mass moves
upwards
paper
clip
acts as a maker to make this clear
what are the components?
A)
bung
B)
glass tube
C)
paper clip
D)
string
E)
weight
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