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4.1 Linear and angular magnitudes. Linear space and angular space |
A
body displaying a circular movement covers a space (s) which can
be measured in metres: linear space, or distance covered, and
an angle ( f ) which is measured in radians:
angular space. These two ways
of describing displacement are related; the radius of the movement
is decisive in this relation. Observe that at all times the length
of the arc s = f * r
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