Mechanical+Advantage+by+Elizabeth+Thompson


 * Mechanical Advantage is the number of times a machine multiplies the effort force.
 * Mechanical advantage tells you the amount of force that is gained by using the machine.
 * The higher the mechanical advantage, the easier it is for the machine to do the job.
 * The more times the effort force is multiplied, the more the effort over comes the resistance force.
 * You can find mechanical advantage of distances by dividing the effort distance by the resistance distance.
 * You can find mechanical advantage of forces by dividing force output by force input.
 * Mechanical Advantage has no unit.
 * The greater the number of strands in a pulley system increases the effort force and decreases the resistanse force.

1) The effort distance of a machine is 2 meters and the distance of resistance is 4 meters, what is the mechanical advantage of the machine?

2) The output force of a pulley is 9 N and the input force is 17 N, what is the mechanical advantage?

Sources: [] Exploring Physical Science Textbook.