5.3 - Motion of Centre of Mass
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
Define the center of mass.
💡 Hint: What does average position mean in this context?
Give a simple example of center of mass in action.
💡 Hint: Think about balance!
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the center of mass indicate?
💡 Hint: Think about how mass is distributed.
True or False: The center of mass of a moving vehicle changes depending on the positions of its passengers.
💡 Hint: Consider what affects the motion of the vehicle's center.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A skateboarder pushes off a wall, causing the skateboard to move. Describe how the center of mass of the skateboarder-skateboard system acts when the skateboard moves away from the wall.
💡 Hint: Think about the action-reaction forces at play.
In a system of two children on a seesaw, one weighs significantly more than the other. Define how the COM will change as the heavier child moves further away from the pivot.
💡 Hint: Consider how mass distribution affects equilibrium.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.