Uniform Circular Motion and Pendulums
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19 Terms
1
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What is an expression for position vector?
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2
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What is an expression for velocity vector?
3
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What is the equation to find the magnitude of velocity?
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4
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What is an expression for the acceleration vector?
5
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What is an equation for the magnitude of acceleration?
6
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What is the equation for tangential force?
7
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What is the equation for radial force?
8
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What are the radial and tangential velocity components?
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9
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What are the radial and tangential acceleration components?
10
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What is uniform circular motion?
When a particle moves in a circle with constant speed
11
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What is angular velocity measured in?
w = ̇θ is measured in radians with the positive direction anticlockwise
12
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What does r(t) being constant imply?
Circular
13
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What is an expression for the displacement of a particle in uniform circular motion?
**r** = r(coswt **i** + sinwt **j)**
14
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What is an equation for tangential speed of a particle in uniform circular motion?
v = rw
15
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What is the expression for magnitude of centripetal acceleration in circular motion?
a(r) = rθ^2 = rw^2 = (v^2)/r
16
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What is the expression for magnitude of centripetal force in uniform circular motion?
F(r) = ma(r) = mrw^2
17
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What expression is used for a simple pendulum?
18
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What are the solutions to the equation for a simple pendulum?
19
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What does angular frequency equal in the simple pendulum equation?
Note 
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