Question

Substances which reduces friction are a:sand b: dust c: lubricants d: spikes​

Answer 1

Hi mate...

Greetings from the brainly community !!

Here is ur answer -

☆  Substances which reduces friction are known as lubricants.

hence, option c) is correct.

Some more to know :

→ Lubricants are mainly used to reduce friction and to contribute to a better and efficient functioning of a mechanism.

→In addition to industrial applications, lubricants are used for many other purposes.

Other uses include:-

• Cooking (oils and fats in use in frying pans, in baking to prevent food sticking)

• Bioapplications on humans (e.g. lubricants for artificial joints) U

• Ultrasound examination, medical examination.