The manager of a department store is pushing horizontally with a force of magnitude 200 N on a box of shirts. The box is sliding across the horizontal floor with a forward acceleration. Nothing else touches the box. What must be true about the magnitude of the force of kinetic friction acting on the box?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 47P: (a) What is the maximum frictional force in the knee joint of a person who supports 66.0 kg of her...
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The manager of a department store is pushing horizontally with a force of magnitude 200 N on a box of shirts. The box
is sliding across the horizontal floor with a forward acceleration. Nothing else touches the box. What must be true
about the magnitude of the force of kinetic friction acting on the box?
O It is greater than 200 N.
O It is less than 200 N.
O It is equal to 200 N.
O None of those statements is necessarily true.
Transcribed Image Text:The manager of a department store is pushing horizontally with a force of magnitude 200 N on a box of shirts. The box is sliding across the horizontal floor with a forward acceleration. Nothing else touches the box. What must be true about the magnitude of the force of kinetic friction acting on the box? O It is greater than 200 N. O It is less than 200 N. O It is equal to 200 N. O None of those statements is necessarily true.
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