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April 21, 2014

Homework Help: Physics check

Posted by Tinatike on Sunday, November 6, 2011 at 7:13pm.

So I have an experiment and we have to find the mechanical advantage.

1. What is the MA when the load force is 7N and the effort force is 3N?

2. What is the MA when the load force is 7N and the effort force is 6N?

My answer for 1. is 2.34 and 2. is 1.17. Are these correct?

Also, why is the Mechanical advantage never equal to one? and what factors can affect the force that's required at a particular machine?

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