What is circular motion?
Motion of an object which follows a circular path around a centre point.
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What is linear speed (v) in circular motion?
The speed at which the object moves along its circular path, measure in m s-1.
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What is angular speed?
The rate of change of angular position.
Angular speed is measured in rad s-1.
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What is the formula that links linear speed (v), angular speed (ω), and radius (r)?
v = linear speed (ms-1)
ω = angular speed (rad s-1)
r = radius (m)
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What is the formula that links angular speed (ω) and time period (T)?
ω = angular speed (rad s-1)
T = time period (s)
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How many radians are there in one full revolution?
2π
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How can you convert from radians into degrees?
To convert from radians into degrees:
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