EASY
8th Jammu and Kashmir Board
IMPORTANT
Earn 100

State one way of increasing the friction between two surfaces?

Important Questions on Friction

MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 2
Name four ways by which friction can be reduced between two surfaces in contact?
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 3
State two advantages of friction.
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 4
State two disadvantages of friction.
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 5
Why is friction called a necessary evil?
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 6
What is a lubricant?
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 6
How does a lubricant reduce friction?
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 6

What kind of lubricant is used in (i) a sewing machine, (ii) the axle of a tractor?

MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>TEST YOURSELF>Q 7
Name two solid lubricants and state where they are used.