for one movable pulley you would get a mechanical advantage of 2
The simple pulley is the type of pulley that does not have a mechanical advantage.
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I think what you want is the "mechanical advantage". It's 2 .
I do believe it is equal to the number of ropes you have.
Movable pully
The kind of pulley has an ideal machanical advantage of 2 is called "Movable Pulley". From, Bryan Hollick
because lifes hard
A pully is something that has a pully circle and you can just pull on it to make the object move but if the object is heaver then you you need to put a movable pully so it is easier
The mechanical advantage would be 1 because the force required to life the mass of an object becomes 1/2 the original weight of the object.
A single movable pulley gives you a 2:1 mechanical advantage. You can lift move 20 pounds with only 10 pounds of effort.
A fixed pulley is different from a movable pulley because a movable pulley has one end of the rope attached to it fixed on an unmoving object. The pulley is free to move with the rope. You pull the other end of the rope. Also, a movable pulley multiplies the applied force (effort force) and therefore has more mechanical advantage. A fixed pulley is attached to something that doesn't move, while one end of the rope is holding the weight, while the other is for pulling.A fixed pulley confers no mechanical advantage, but will convert motion in one direction into another direction.A movable pulley system, if the pulleys change their distance from each other, will confer a mechanical advantage.