In this type of drive, and idler on the back of the vee belt is not recommended by belt manufacturers as this may result in breakage of the base section of the belt.
http://www.loxtonengineering.com.au/faques.htm
Moving are required to provide the leverage needed for mechanical advantage.
http://ca.answers.yahoo.com/question/index?qid=20090112...
Work = Force × Distance The amount of force needed to lift something is reduced because when a pulley is used to lift something, the force is applied over the total distance from the load to the pulley and back to the source of the lifting ...
http://wiki.answers.com/Q/What_does_a_fixed_pulley_chan...
Fixed pulleys are used to change the direction of a force, not the amount.
http://wiki.answers.com/Q/What+is+a+advantage+of+a+fixe...
there is no mechanical advantage for fixed pulleys. if the load is 360 then th effort is 360. a fixed pulley id a directional advantage which means that whatever the weught is the effort is. if it was a movable pulley the effort would b hal...
http://wiki.answers.com/Q/Is+the+mechanical+advantage+o...
A pivot point, and in the real world, friction and inertia.
http://www.blurtit.com/q9961143.html
Nothing, really. A slight loss due to friction. If the pulley is fixed to the load, then there is a 2:1 advantage.
http://wiki.answers.com/Q/What_is_the_IMA_of_a_single_f...