A 3.27 kg block is pushed along a horizontal floor by a force  ?→�→ of magnitude 30.0 N at a downward angle θ = 40.0°. The coefficient of kinetic friction between the block and the floor is 0.270. Calculate the magnitudes of (a) the frictional force on the block from the floor and (b) the block’s acceleration.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 40PQ: A sleigh is being pulled horizontally by a train of horses at a constant speed of 8.05 m/s. The...
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A 3.27 kg block is pushed along a horizontal floor by a force  ?→�→ of magnitude 30.0 N at a downward angle θ = 40.0°. The coefficient of kinetic friction between the block and the floor is 0.270. Calculate the magnitudes of (a) the frictional force on the block from the floor and (b) the block’s acceleration. 

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