The substances which reduce friction are called [[1]] (lubricants/levers).

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

The substances which reduce friction are called lubricants.
Graphite, grease, oils, and other materials are examples of lubricants. These create a thin layer between the two surfaces coming into touch, preventing them from rubbing up against one another. This decreases friction and makes the movement smooth.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th