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Two books of different mass revolve at constant speeds on a horizontal circular platform as pictured in the diagram. The diagram shows the platform and books as viewed from above. Book 1 is exactly twice as far from the center of the platform as book 2. The books are moving with the platform and are not sliding.

Which of the two books experiences more frictional force?

A

Book 1

B

Book 2

C

Same frictional force

D

The relative frictional forces cannot be determined without knowing the books' relative masses.

E

The relative frictional forces cannot be determined without knowing the speed of rotation of the platform.

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