Question

Find the sum of each set of forces acting at the same point in a straight line. Three forces with magnitudes of $225 \mathrm{~N}, 175 \mathrm{~N},$ and $125 \mathrm{~N}$ act at the same point. (a) What is the magnitude of the maximum net force the three forces can exert together? (b) What is the magnitude of the minimum net force the three forces can exert together?

Name: Problem 4, Chapter 7: Applied Physics
Uploaded: 2021-06-11T10:01:58-08:00
Duration: 1 min 46 s
Channel: Prabhu Ramji
Description: Find the sum of each set of forces acting at the same point in a straight line. Three forces with magnitudes of 225 N, 175 N, and 125 N act at the same point. (a) What is the magnitude of the maximum net force the three forces can exert together? (b) What is the magnitude of the minimum net force the three forces can exert together?

   Find the sum of each set of forces acting at the same point in a straight line.
Three forces with magnitudes of $225 \mathrm{~N}, 175 \mathrm{~N},$ and $125 \mathrm{~N}$ act at the same point.
(a) What is the magnitude of the maximum net force the three forces can exert together? (b) What is the magnitude of the minimum net force the three forces can exert together?

Applied Physics

Dale Ewen, Neil… 11th Edition

Chapter 7, Problem 4

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Solved by Expert Prabhu Ramji

06/11/2021

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This is simply the sum of the magnitudes of the three forces. Show more…

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Find the sum of each set of forces acting at the same point in a straight line. Three forces with magnitudes of $225 \mathrm{~N}, 175 \mathrm{~N},$ and $125 \mathrm{~N}$ act at the same point. (a) What is the magnitude of the maximum net force the three forces can exert together? (b) What is the magnitude of the minimum net force the three forces can exert together?

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Key Concepts

Net Force

Net Force, or resultant force, is the overall force acting on an object obtained by vectorially adding all individual forces. In problems involving forces along a straight line, the net force is determined by considering the directions of the forces and summing their magnitudes appropriately.

Vector Addition

Vector addition is the method of combining forces, taking both magnitude and direction into account. For forces that act along the same line, this process simplifies to the arithmetic addition or subtraction of their magnitudes, depending on whether the forces are aligned or opposed.

Collinear Forces

Collinear forces are forces that act along the same straight line. When analyzing collinear forces, the maximum net force occurs when they all act in the same direction, and the minimum net force occurs when the forces oppose each other, reducing the overall magnitude.

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