Circular Motion
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| When calculating angles in circular motion we use units of? | Radians
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| To convert from degrees to radians we multiply by | pi/180
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| To convert todegrees from radians multiply by | 180/pi
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| Angular velocity is.... | the angle swept out by a radius per unit time, symbol w
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| The units for angular velocity is | rad/s
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| angular velocity = | angle change/time
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| angular velocity is also related to | the frequency of a system
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| angular velocity also = | 2 x pi x f
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| The time period of a system can be eqauted to | 1/f or 2pi/angular velocity
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| The linear speed of an object moving in a circle is related to | its angular velocity
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| linear speed = | radius x angular velocity
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| The force on an object moving in a circular path is also called | centripetal force
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| the size of a centripetal force is given by either | F=mv^2/r or mrw^2
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| centripetal acceleration = | v^2/r or rw^2
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Created by:
Gavin
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