Question: In the setup in Figure P12.43, does pulling the string downward while the ball is revolving make the following properties of the ball increase, decrease,

In the setup in Figure P12.43, does pulling the string downward while the ball is revolving make the following properties of the ball increase, decrease, or stay the same:

(a) angular momentum,

(b) rotational speed,

(c) rotational kinetic energy?

Data from Figure P12.43

pull string

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