It is the calculation of how much faster and easier a machine makes your work. To calculate mechanical advantage, you simply divide the resistance force by the effort force.
Q&A Related to "What Is Mechanical Advantage?"
 The advantage a person has because a machine makes a job easier to do is called mechanical advanrage. Almost any machine would provide a substantial amount of mechanical advantage http://www.ask.com/web-answers/Science/Physics/wha...
 To calculate the M.A. of a wedge, you divide the length of it by its thickness. http://wiki.answers.com/Q/What_is_the_mechanical_a...
 Mechanical advantage (MA) is a physical property defined as the output force of a machine divided by the input force of the machine. In other words, it is the amount of force the http://www.ehow.com/info_8029562_simple-machines-c...
 the mechanical advantage is less than one; third class levers don't multiply force; they multiply distance. http://wiki.answers.com/Q/Which+class+of+a+lever+a...