Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
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
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the conservation of angular momentum?
💡 Hint: Think about spinning ice skaters.
Question 2
Easy
What happens to gravitational potential energy as an object ascends?
💡 Hint: Consider lifting an object higher.
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 does Kepler's second law state?
- Equal areas are swept in equal times
- Orbits are circular
- Angular momentum is lost
💡 Hint: Think about speed variations in orbits.
Question 2
True or False: Gravitational forces can be shielded.
- True
- False
💡 Hint: Think of how gravity acts on mass.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A spacecraft orbits Earth at a height of 800 km. Calculate its gravitational potential energy compared to a point far from Earth's influence.
💡 Hint: Account for the Earth's radius in your calculations.
Question 2
Propose an experiment to measure tidal effects on Earth and explain the underlying gravitational principles.
💡 Hint: Think about observing high and low tides.
Challenge and get performance evaluation