Question

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☆ ​do you think that resistance to the motion of book has been reduced?
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Answer 1

Answer:

Photography is the art, application, and practice of creating durable images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.

Answer 2

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It is observed that the book moves efficiently when placed on cylindrical pencils or rollers. It can be concluded that rolling friction is smaller than the sliding friction.

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