An external force F of magnitude F = 5 N is applied vertically downward on an object of 10 N weight resting on a horizontal surface. The magnitude of the normal force n exerted by the ground on this object is: mg ON O 5 N 15 N 17 N

An external force F of magnitude F = 5 N is applied vertically downward on an object of 10 N weight resting on a horizontal surface. The magnitude of the normal force n exerted by the ground on this object is: mg ON O 5 N 15 N 17 N

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 3P: A 3.00-kg object undergoes an acceleration given by a=(2.00i+5.00j)m/s2. Find (a) the resultant...

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

external force F
magnitude F =5N is applied
vertically downward on an
object of 10 N weight resting
on a horizontal surface. The
magnitude of the normal force
n exerted by the ground on
this object is:
An
of
mg
ON
5 N
15 N
17 N

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