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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Identify the centre of mass of a uniform sphere.
💡 Hint: Think about symmetry.
Question 2
Easy
Where is the centre of mass of a uniform cube?
💡 Hint: Consider the symmetry of the shape.
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 centre of mass of a uniform disk?
- At the center
- At the edge
- Does not exist
💡 Hint: Consider the symmetry of the shape.
Question 2
True or False: The angular momentum is conserved if no external torque acts on the system.
- True
- False
💡 Hint: Think about how external forces affect motion.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the centre of mass for an L-shaped lamina. How does symmetry play a role?
💡 Hint: Break it down into simpler shapes.
Question 2
A child on a rotating platform extends their arms, how does it affect the system's angular speed?
💡 Hint: Think of it as balancing torque on both sides.
Challenge and get performance evaluation