Answer:
Mechanical advantage is the measure of the force amplification achieved by using a tool , mechanical device or machine . The machine preserve the input power and supply trade off force. against movement to obtain a desired amplification in the output force .
Answer: [B]: The letter, "<em /> I " ; for current; in units of "Amps" .
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It’s doesn’t change meaning it’s 0
The actual answer is 7/100
