What does the area under a force vs. position curve represent?

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SUMMARY

The area under the force vs. position curve represents the net work done on an object as it moves from position x1 to x2. This is confirmed by the formal definition of work, expressed mathematically as the integral of the force function f(x) over the displacement from x0 to x1, specifically \int^{x_1}_{x_0}f(x) dx. Understanding this relationship is crucial for analyzing systems involving variable forces.

PREREQUISITES
  • Understanding of basic calculus, specifically integration.
  • Familiarity with the concepts of force and work in physics.
  • Knowledge of graphical representation of functions.
  • Ability to interpret area under curves in a physical context.
NEXT STEPS
  • Study the principles of work-energy theorem in classical mechanics.
  • Learn about variable force functions and their applications.
  • Explore advanced integration techniques for calculating areas under curves.
  • Investigate real-world applications of work done by forces in engineering contexts.
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Students studying physics, particularly those focusing on mechanics, as well as educators and professionals involved in teaching or applying concepts of work and energy in practical scenarios.

sisika
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Homework Statement



A small box is moved from position x1 to x2 by a net force which varies with position. On a graph, I plot the net force on the box vs. its position. The area in between the force curve and the x-axis is ...... And I am not sure if it is the work done on the box or may be something else


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The Attempt at a Solution

 
Last edited:
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sisika said:

Homework Statement



A small box is moved from position x1 to x2 by a net force which varies with position. On a graph, I plot the net force on the box vs. its position. The area in between the force curve and the x-axis is ...... And I am not sure if it is the work done on the box or may be something else
The area enclosed by the curve and x-axis is indeed the net work done by the force. The formal definition of work;
\int^{x_1}_{x_0}f(x) dx
 

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