A stockroom worker pushes a box with mass 11.9 kg on a horizontal surface with a constant speed of 3.30 m/s. The coefficient of kinetic friction between the box and the surface is 0.19. Part A What horizontal force must the worker apply to maintain the motion? Express your answer with the appropriate units. HA ? F = 2.92 N

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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My answer is incorrect. Please help.thanks

A stockroom worker pushes a box with mass
11.9 kg on a horizontal surface with a constant
speed of 3.30 m/s. The coefficient of kinetic friction
between the box and the surface is 0.19.
Part A
What horizontal force must the worker apply to maintain the motion?
Express your answer with the appropriate units.
HA
?
F = 2.92
N
Transcribed Image Text:A stockroom worker pushes a box with mass 11.9 kg on a horizontal surface with a constant speed of 3.30 m/s. The coefficient of kinetic friction between the box and the surface is 0.19. Part A What horizontal force must the worker apply to maintain the motion? Express your answer with the appropriate units. HA ? F = 2.92 N
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