5.5 - Applications of the Principle of Moments
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
What is a lever?
💡 Hint: Think about how seesaws work.
What is the role of the fulcrum in a lever?
💡 Hint: Consider what part of a seesaw doesn't move.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of a lever?
💡 Hint: Think about how a seesaw functions.
True or False: The fulcrum is where the load is located on a lever.
💡 Hint: Remember the definition of the fulcrum.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
You are designing a seesaw and want it to balance if a 12 kg child sits 1 m from the fulcrum. How far will a 10 kg child need to sit from the fulcrum to balance it?
💡 Hint: Use the moment balance equation to solve for the distance.
A race car is balanced on a scale where the weight distribution is 400 kg at the front and 600 kg at the rear. How can this affect performance, and how would the car need to be adjusted based on lever principles?
💡 Hint: Think about how the position of weight affects steering and grip.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.