Chapter 8 quiz 2
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Last updated 5:16 PM on 4/3/25
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13 Terms
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Rotational Work, Wr
work done by a torque that causes an object to rotate through an angle
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Rotational Work Equation
Wr = τθ
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Rotational Work SI Unit
Joule
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Rotational Kinetic Energy
kinetic energy due to the rotation of an object; part of its total kinetic energy
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Rotational Kinetic Energy Equation
Kr = ½ I ω2
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Rotational Kinetic Energy SI Unit
Joule
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Rotational Power
power delivered to a system that is rotating about a fixed axis
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Rotational Power Equation
P = τω
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Rotational Power SI Unit
Watt
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Angular Momentum, L
angular resistance to change
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Angular Momentum Equation
L = Iω
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Angular Momentum SI Unit
kgm²/s
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Conservation of Angular Momentum
Lo = L
