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 mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is gravitation?
💡 Hint: Think about how objects interact with each other due to their masses.
Question 2
Easy
What do tides result from?
💡 Hint: Consider what celestial bodies affect Earth's water.
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 keeps planets in orbit around the sun?
- Electromagnetic force
- Weak nuclear force
- Gravitational force
💡 Hint: Think about the forces involved in celestial motions.
Question 2
True or False: Tides are only caused by the gravitational pull of the sun.
- True
- False
💡 Hint: Remember the role of the moon in tides.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If the mass of the Earth is approximately 5.97 × 10²⁴ kg and the gravitational pull is 9.8 m/s², calculate the weight of an object that has a mass of 50 kg on Earth's surface.
💡 Hint: Use the weight formula: W=mg to find the answer.
Question 2
Discuss how the gravitational pull on Earth changes as you travel to the top of Mount Everest (8,848 m). What would be the effect on weight?
💡 Hint: Consider the relationship between altitude and gravitational force.
Challenge and get performance evaluation