Differentiate between mechanical advantage and efficiency. [2 MARKS]

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Solution

Mechanical Advantage Efficiency

Mechanical advantage $= \frac{l o a d}{e f f o r t}$ Efficiency $= \frac{output work}{input work}$

Mechanical advantage can be more than 1. Efficiency is always less than 1 for actual machines.


Mechanical advantage $= \frac{l o a d}{e f f o r t}$	Efficiency $= \frac{output work}{input work}$
Mechanical advantage can be more than 1.	Efficiency is always less than 1 for actual machines.

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