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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
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define torque in the context of rotational motion.
💡 Hint: Think about how force changes the direction of motion in a rotation.
Question 2
Easy
What does the center of mass represent?
💡 Hint: Focus on how this point behaves during motion.
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
Define what torque does to a rigid body.
- Changes linear motion.
- Changes rotational motion.
- Has no effect.
💡 Hint: Remember how torque is applied and its effect.
Question 2
Is the moment of inertia a fixed quantity?
- True
- False
💡 Hint: Consider how changing the shape or mass distribution affects this quantity.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A hollow spherical shell and a solid sphere both have the same mass and radius. If both are rolled down an incline, which one reaches the bottom first, and why?
💡 Hint: Consider the concepts of moment of inertia and acceleration due to gravity.
Question 2
Two identical rods are rotating around their ends with the same angular velocity. One rod is solid, and the other is hollow. Which has more angular momentum and why?
💡 Hint: Review the formula for angular momentum and moment of inertia.
Challenge and get performance evaluation