it says friction is the force that is exerted upwards and i want to know what the
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it says friction is the force that is exerted upwards and i want to know what the friction is acting on like is it the book, the wall, the hand and by what, like is the wall applying friction on the book or what?
Related Book For
Applying Communication Theory For Professional Life A Practical Introduction
ISBN: 9781506315478
4th Edition
Authors: Marianne Dainton, Elaine D. Zelley
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