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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 solids that retain their shape.
Question 2
Easy
Define translation.
๐ก Hint: Consider how cars move straight on roads.
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 angular velocity of a rigid body?
- It measures linear speed.
- It's the rate of change of angular displacement.
- It's always constant.
๐ก Hint: Think about how quickly a wheel turns.
Question 2
True or False: In rotation, all points on a rigid body move along the same trajectory.
- True
- False
๐ก Hint: Picture the difference between a spinning top and a rolling ball.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A wheel of radius R is rolling without slipping at a speed of v. Determine the relationship between linear speed and angular speed.
๐ก Hint: Consider how the edge of the wheel moves compared to its center.
Question 2
A rod pivoted at one end is released from rest in a vertical plane. Calculate the angular momentum when it has rotated ฮธ degrees.
๐ก Hint: Think about both rotational and translational aspects of the rod's motion.
Challenge and get performance evaluation