In the figure below, a block of mass 7.28 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of magnitude F= 11.5.0 N at an angle 0 = 36.0°. (a) What is the magnitude of the normal force? (b) The force magnitude F is slowly increased. What is its value just before the block is lifted (completely) off the floor? (c) What is the magnitude of the block's acceleration just before it is lifted (completely) off the floor?
In the figure below, a block of mass 7.28 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of magnitude F= 11.5.0 N at an angle 0 = 36.0°. (a) What is the magnitude of the normal force? (b) The force magnitude F is slowly increased. What is its value just before the block is lifted (completely) off the floor? (c) What is the magnitude of the block's acceleration just before it is lifted (completely) off the floor?
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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![In the figure below, a block of mass 7.28 kg is pulled along a horizontal frictionless
floor by a cord that exerts a force of magnitude F= 11.5.0 N at an angle 0 = 36.0°.
(a) What is the magnitude of the normal force? (b) The force magnitude F is slowly
increased. What is its value just before the block is lifted (completely) off the floor?
(c) What is the magnitude of the block's acceleration just before it is lifted (completely)
off the floor?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7611978e-9641-49f5-a385-37588ff0fea1%2Fffa1c823-33ac-4177-9b3d-905d05f20afb%2F9hgpenn.jpeg&w=3840&q=75)
Transcribed Image Text:In the figure below, a block of mass 7.28 kg is pulled along a horizontal frictionless
floor by a cord that exerts a force of magnitude F= 11.5.0 N at an angle 0 = 36.0°.
(a) What is the magnitude of the normal force? (b) The force magnitude F is slowly
increased. What is its value just before the block is lifted (completely) off the floor?
(c) What is the magnitude of the block's acceleration just before it is lifted (completely)
off the floor?
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