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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define center of mass.
💡 Hint: Think about balance and distribution.
Question 2
Easy
What does equilibrium mean in physics?
💡 Hint: Consider a seesaw example.
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 is the center of mass?
- A measure of force
- An average position of mass
- The highest point of an object
💡 Hint: Think of balancing the object.
Question 2
True or False: The center of mass moves in response to internal forces.
- True
- False
💡 Hint: Consider interaction between particles.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A solid disk rotates about its center. If the radius is doubled while keeping the mass constant, what happens to the moment of inertia?
💡 Hint: Recall the formula for moment of inertia.
Question 2
Consider a tightrope walker shifting from one side to the other. Calculate the change in their center of mass if their weight is 70 kg and they move 0.5 m horizontally.
💡 Hint: Think about how the distribution of weight changes.
Challenge and get performance evaluation