A horizontal force of 120 N is required to push a bookcase across a floor at a
Question:
A horizontal force of 120 N is required to push a bookcase across a floor at a constant velocity.
(a) What is the net force acting on the bookcase?
(b) How much is the friction force that acts on the sliding bookcase?
(c) How much friction force acts on the bookcase when it is at rest on a horizontal surface without being pushed?
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a Net force is zero because velocit...View the full answer
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Related Book For 
Conceptual Physical Science
ISBN: 978-0134060491
6th edition
Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
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