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A Block with Mass M, on the End of a String

Question 16

Multiple Choice

A block with mass M, on the end of a string, moves in a circle on a horizontal frictionless table as shown. As the string is slowly pulled through a small hole in the table: A block with mass M, on the end of a string, moves in a circle on a horizontal frictionless table as shown. As the string is slowly pulled through a small hole in the table: A) the angular momentum of M remains constant B) the angular momentum of M decreases C) the kinetic energy of M remains constant D) the kinetic energy of M decreases E) none of the above


A) the angular momentum of M remains constant
B) the angular momentum of M decreases
C) the kinetic energy of M remains constant
D) the kinetic energy of M decreases
E) none of the above

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