angular kinetics

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6 Terms

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angular momentum formula

moment of inertia x angular velocity

2
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angular momentum

rotating body will rotate indefinitely unless an external force acts upon it

3
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moment of inertia

resistance of rotation

4
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angular velocity

rate of change in angular position

5
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<p>what is happening in the image</p>

what is happening in the image

racquet D has a longer handle which increases the moment of inertia and makes the racquet more difficult to control.

racquet d has a shorter handle which brings the mass of the racquet closer to the axis of rotation, making it easier to control

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<p>which athlete can perform the sit up easier and why?</p>

which athlete can perform the sit up easier and why?

the athlete on the left brings the mass of the ball closer to his axis of rotaion, making it easier to perform the sit up. the athlete on the right has the mass of the ball further away from the axis of rotation making it harder to perform the situp.