PERIOD OF CIRCULAR MOTION
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For an object travelling a velocity v, in a circle of radius r, the distance travelled in one full circle is
2
p
r
. Therefore, the time taken to complete a circuit is:
T=2
p
r/v
or
v=2
p
r/T
since
a=v
2
/r
we can say that
a=4
p
2
r/T
2
and
F=m4
p
2
r/T
2
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