A block is pulled along a rough level surface at constant speed by the force P. The figure shows the free-body diagram for the block. Fy represents the normal force on the block; and frepresents the force of kinetic friction. N f mg What is the magnitude of FN? A) 2mg В D mg

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Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 42P: A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is...
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Question 22
A block is pulled along a rough level surface at constant speed by the force P. The figure shows the free-body diagram for the
block. FN represents the normal force on the block; and f represents the force of kinetic friction.
F,
N
What is the magnitude of FN?
A
2mg
В
mg
Transcribed Image Text:Question 22 A block is pulled along a rough level surface at constant speed by the force P. The figure shows the free-body diagram for the block. FN represents the normal force on the block; and f represents the force of kinetic friction. F, N What is the magnitude of FN? A 2mg В mg
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