Practice What You Have Learnt - 9.8 | 9. FRICTION | CBSE 8 Science
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does friction do?

💡 Hint: Think about surfaces in contact.

Question 2

Easy

Name one type of friction.

💡 Hint: Recall the examples discussed in class.

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 always oppose?

  • Motion
  • Gravity
  • Pressure

💡 Hint: Consider what happens when two surfaces interact.

Question 2

True or False: Rolling friction is greater than sliding friction.

  • True
  • False

💡 Hint: Think about movement types.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a practical experiment to measure static and sliding friction. Describe the setup and expected results.

💡 Hint: Think about forces and angles.

Question 2

Discuss the advantages and disadvantages of using lubricants in machines.

💡 Hint: Consider both short-term and long-term effects.

Challenge and get performance evaluation