1.2 - Body force contribution
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Practice Questions
Test your understanding with targeted questions
Define body forces in your own words.
💡 Hint: Think of forces like gravity or magnetic fields.
What is the formula for torque due to body forces?
💡 Hint: Recall the quantities represented in the equation related to density and acceleration.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What are body forces?
💡 Hint: Consider examples like gravity.
Is the time derivative in angular momentum calculations easy to handle in control mass settings?
💡 Hint: What does control mass imply in calculations?
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Challenge Problems
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Consider a cuboid of mass 'm' subjected to gravitational pull. Derive the total torque about its centroid due to body forces.
💡 Hint: Remember, $T = r \\times F$. What simplifying assumptions can you make?
A rigid body is subjected to changing external forces. How would you derive the angular momentum balance in this scenario?
💡 Hint: Consider how you might express the external forces mathematically.
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