Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are modal coordinates?
💡 Hint: Think about how we express displacements for simplification.
Question 2
Easy
What type of equations does modal analysis create?
💡 Hint: Remember the term 'SDOF' for simplification.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the modal analysis technique primarily aim to do?
- Decouple equations
- Increase complexity
- Enhance damping
- None of the above
💡 Hint: Consider the purpose of the technique.
Question 2
True or False: Modal coordinates express the motion of a system in terms of mode shapes.
- True
- False
💡 Hint: Recall the terms we learned.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A three-degree-of-freedom spring-mass system is defined with stiffness and mass matrices. derive the modal equations for this system and explain each transformation step.
💡 Hint: Identify your main variables and remember to express displacements correctly.
Question 2
Calculate the modal response of a building subjected to an earthquake. You are given the natural frequencies and mode shapes. Detail your approach and assumed inputs.
💡 Hint: Remember to factor in the input forces discretely for each mode.
Challenge and get performance evaluation