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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
Fill in the blank: Friction opposes the ____ between the surfaces in contact.
💡 Hint: Think about what does friction do to two sliding objects.
Question 2
Easy
What is static friction?
💡 Hint: Remember it keeps things from 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 does friction do?
- Increases speed
- Opposes motion
- Has no effect
💡 Hint: Think about what happens when you slide an object.
Question 2
True or False: Static friction is greater than sliding friction.
- True
- False
💡 Hint: Consider what it takes to start moving a heavy box.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a box is sliding down an inclined plane, but then sand is spread on the plane, what happens to the motion of the box?
💡 Hint: Consider what effect the rougher surface will have on the box's movement.
Question 2
Design a sports shoe for a basketball player considering the type of friction needed. What features would your design include?
💡 Hint: Think about what helps athletes to make quick stops and direction changes.
Challenge and get performance evaluation