How Do You Calculate Basic Moment of Inertia?

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SUMMARY

The discussion focuses on calculating the basic moment of inertia using the general equation for moment of inertia. A specific attempt at solving the problem yielded an incorrect answer of 5.870, indicating potential issues with integration steps. Participants emphasized the need for detailed integration processes to identify errors in calculations. The formula mentioned includes 1/3π³ * -cos(π), which was noted as problematic.

PREREQUISITES
  • Understanding of moment of inertia concepts
  • Familiarity with integration techniques in calculus
  • Knowledge of trigonometric functions, specifically cosine
  • Proficiency in mathematical problem-solving
NEXT STEPS
  • Review the general equation for moment of inertia
  • Study integration methods in calculus
  • Examine trigonometric identities and their applications
  • Practice solving problems involving moment of inertia calculations
USEFUL FOR

Students studying physics or engineering, particularly those focusing on mechanics and dynamics, as well as educators teaching calculus and its applications in real-world scenarios.

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Homework Statement


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Question #4

Homework Equations


The formula for step 1 is supposed to be general equation for moment of inertia.

The Attempt at a Solution


as seen. The answer to the question is 5.870

My attempt: 1/3pi^3 * -cos(pi)

still wrong.
 
Last edited:
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Must be something going wrong with your integration, because the function that you're integrating looks okay. You'll have to spell out the details of your integration for us to spot the problem.
 

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