Question

why
are
oil used in machinery.​

Answer 1

Typically the lubricant-to-surface friction is much less than surface-to-surface friction in a system without any lubrication. Thus use of a lubricant reduces the overall system friction. Reduced friction has the benefit of reducing heat generation and reduced formation of wear particles as well as improved efficiency.

Answer 2

Answer:

Because it reduces the frictional force and work as a lubricant

Explanation:

Please mark me as brainliest