Question

Why does a mechanic apply grease between the moving parts of a bicycle or a motor?

• A. To clean the parts
• B. To make the parts look shiny
• C. As a lubricant to reduce friction
• D. To remove rust

Answer 1

Answer:

C. As a lubricant to reduce friction

A mechanic applies grease between the moving parts of a bicycle or a motor as a lubricant to reduce the friction. Grease as a lubricant makes a film between moving parts which makes a seamless and smooth movement of part and reduces the friction.