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If you know all of the forces acting on a moving object,

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 5CQ Chapter 4

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 5CQ

If you know all of the forces acting on a moving object, can you tell in which direction the object is moving? If the answer is Yes, explain how. If the answer is No, give an example.

Step-by-Step Solution:

Step 1 of 2 The four forces acting on object then the resultant force will be added up all forces When one vector is equal in magnitude but opposite in direction of another vector, the two cancel each other. When all the forces acting on an object do not cancel out, the force is said to be unbalanced. The sum of the unbalanced forces is the net force, and the net force results in acceleration, or the increase of velocity. Force is measured in newtons. If an object is acted upon by an upward vector of 40 newtons and a downward vector of 10 newtons, the resulting net force is 30 newtons upward. The net force or resultant force acting on a rest or moving body is the vector sum of all the forces acting on that object. For example, if F ,F , F , and F ,the forces 1 2 3 4 acting on an object then, the resultant or net force will be the vector sum of all these forces that is, F rF +F1+ F 2 F 3 4 Here, F is the resultant force acting on the body. r

Step 2 of 2

Chapter 4, Problem 5CQ is Solved
Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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If you know all of the forces acting on a moving object,

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