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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsโperfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a rigid body?
๐ก Hint: Think about objects that donโt deform.
Question 2
Easy
Define angular velocity.
๐ก Hint: How fast is it rotating?
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 a rigid body?
- A deformable object
- An object with constant inter-particle distances
- A point mass
๐ก Hint: Think of things that do not change shape.
Question 2
True or False: Angular acceleration is the rate of change of angular velocity.
- True
- False
๐ก Hint: Reflect on rotational motion dynamics.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A disc of mass 5 kg rolls without slipping down a slope of height 10 meters. Calculate its angular velocity at the bottom assuming it starts from rest.
๐ก Hint: Relate potential energy at the top to kinetic energy at the bottom.
Question 2
A ball of radius r rolls with an angular velocity ฯ. If the ball's radius is doubled, what happens to the translational speed at the surface?
๐ก Hint: Consider how radius affects linear speed.
Challenge and get performance evaluation