Question

4.Oil is used to reduce friction between mechanical parts of a machine


NAME THEM ​

Answer 1

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$✰ \: \: QUESTION \: \: ✰$

• ➪.Oil is used to reduce friction between mechanical parts of a machine

$✰ \: \: SOLUTION \: \: ✰$

• ➪ To reduce friction, oil is added to the engine. The oil coats the surfaces of the moving parts and makes them slippery. They slide over each other more easily, so there is less friction. Friction is always parallel to the surface in contact.

Answer 2

Answer:

Lubricants

Explanation:

Lubricants can be called the application of oily or greasy subtances. This is put on to reduce the friction of vehicles and make them smoother.