Question about Hydrostatic Force?

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SUMMARY

This discussion focuses on hydrostatic force calculations in Calculus 2, specifically addressing the integration of forces acting on equilateral triangles. The primary method involves using integration by approximating the area with an infinite number of rectangles. The discussion clarifies that there are no significant differences in solving hydrostatic force problems for two equilateral triangles, as understanding one allows for solving the other. The key takeaway is establishing a relationship between the depth of the triangle and its width at that depth.

PREREQUISITES
  • Understanding of hydrostatic force principles
  • Familiarity with integration techniques in calculus
  • Knowledge of equilateral triangle properties
  • Ability to set up relationships between geometric dimensions
NEXT STEPS
  • Study the application of integration in hydrostatic force problems
  • Learn how to derive width formulas for geometric shapes
  • Explore advanced integration techniques for solving word problems
  • Investigate the properties of equilateral triangles in fluid mechanics
USEFUL FOR

Students in Calculus 2, particularly those struggling with hydrostatic force problems, as well as educators seeking to clarify integration techniques related to geometric shapes.

Virang807
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Hello! I am currently in Calculus 2 and we are dealing with hydrostatic force. I get the integration that happens but I always seem to have trouble with solving the word problems. With this problem, I realize that I use integrate by making an infinite number of rectangles on the 2 triangles. I want to know the differences in solving both of them and trying to find the width formula with respect to x. Thank you!
 

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Virang807 said:
Hello! I am currently in Calculus 2 and we are dealing with hydrostatic force. I get the integration that happens but I always seem to have trouble with solving the word problems. With this problem, I realize that I use integrate by making an infinite number of rectangles on the 2 triangles. I want to know the differences in solving both of them and trying to find the width formula with respect to x. Thank you!
There are no substantial differences in solving these problems; the regions are slightly different is all. If you can solve for the hydrostatic force on one triangle, you can solve for the force on the other.

The key here is you know that both triangles are equilateral, so you can figure their altitudes. What you want to do is set up a relation between the depth of the triangle below the attachment point and the width of the triangle at that depth.
 

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