MEDIUM
8th CBSE
IMPORTANT
Earn 100

What are the disadvantages of heat produced by friction in machines?

Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q C
What are lubricants? List some of their uses.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q C
What is rolling friction? Why is wheel considered a great invention?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q D
Describe an activity to show that sliding friction is always less than static friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q D
What causes friction between two surfaces in relative motion? Explain.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q D
Friction has both advantages and disadvantages. Explain.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q D
Describe some methods of increasing friction to our advantage.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q D
What is fluid friction? Describe the factors that affect fluid friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>EXERCISES>Q E
What happens when oil is added to the car engine? How does it help the car to perform better?