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 friction?
💡 Hint: Think about sliding objects.
Question 2
Easy
Name one type of friction.
💡 Hint: Consider moving vs. stationary objects.
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 type of friction is present when an object is at rest?
- Static Friction
- Kinetic Friction
- Air Friction
💡 Hint: Think about stationary objects.
Question 2
True or False: Friction always helps in movement.
- True
- False
💡 Hint: Consider when items slip.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A car travels on a road with a coefficient of kinetic friction of 0.4. If the car has a mass of 1000 kg, what is the maximum frictional force acting on the car?
💡 Hint: Use the formula for friction to find the answer.
Question 2
How would reducing friction affect the performance of athletes in track and field events?
💡 Hint: Think about the balance of speed vs. safety in competitions.
Challenge and get performance evaluation