Question

define mechanical advantages with expression

Answer 1

of what mechanical advantages u r talking about?

Answer 2

Heya....
⏺Here is your answer... ⏺
Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system. The device preserves the input power and simply trades off forces against movement to obtain a desired amplification in the output force. The model for this is the law of the lever.