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?

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Description: In the figure below, a block of mass 7.28 kg is pulled along a horizontal frictionlessfloor 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 slow

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 23PQ: The x and y coordinates of a 4.00-kg particle moving in the xy plane under the influence of a net...

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows:

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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?

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