17.1 Uniform Circular Motion

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9 Terms

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uniform circular motion

motion of an object moving at constant speed along a circular path

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Derive the equation for the speed of a point on the perimeter of a wheel

Yes

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Equation for the speed of a point on the perimeter

v= 2πr/T

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Angular displacement

the angle an object in circular motion turns through. If its time period is T and its frequency is f, its angular displacement in time t, in radians = 2πƒt = 2πt/T

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Equation for angular displacement

∆θ= ∆s/ r

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Degrees to radians

x π/ 180

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Angular displacement in time t

2πt/ T

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Angular speed

the rate of change of angular displacement of an object in circular (or orbital or spinning) motion.

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Equation for angular speed

ω= 2πf