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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is friction?
💡 Hint: Think about how you stop a moving bicycle.
Question 2
Easy
Name the two types of friction.
💡 Hint: One is when objects are at rest and the other when they are moving.
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 occurs when an object is at rest?
- Sliding Friction
- Static Friction
- Rolling Friction
💡 Hint: What happens when you try to push a heavy box without it moving?
Question 2
True or False: Rolling friction is always greater than sliding friction.
- True
- False
💡 Hint: Think of how easy it is to roll a ball compared to sliding it.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A heavy box rests on a rough surface. If the static friction is much greater than the weight, how can we move it?
💡 Hint: Think about how mechanics move heavy equipment.
Question 2
In a fluid environment, how can an object be designed to minimize drag?
💡 Hint: What happens to your hand when you thrust it through water?
Challenge and get performance evaluation