What is a movable pulley?
Answers
Answer:
A movable pulley is a pulley that is free to move up and down, and is attached to a ceiling or other object by two lengths of the same rope. Examples of movable pulleys include construction cranes, modern elevators, and some types of weight lifting machines at the gym.
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movable pulley: A pulley system in which the pulley is attached to the object; one end of the rope is attached to a fixed point and the other end of the rope is free. pulley: A simple machine that changes the direction of a force, often to lift a load.
How does a movable pulley work?
~ A movable pulley works to lift a heavy object by applying an input force to the rope. When such a force is applied, the movable pulley begins to move through the rope by turning around throughout the rope. During this process, the tension of the rope is equal to the input force
What is the advantage of a movable pulley?
The mechanical advantage of a moveable pulley is 2. This means that a moveable pulley will halve the required force needed to move any object attached to it. This occurs because in a moveable pulley one end of the rope is stationary, which means it absorbs some of the force needed to move the object.
These are different types of pulley systems:
- Fixed: A fixed pulley has an axle mounted in bearings attached to a supporting structure. ...
- Movable: A movable pulley has an axle in a movable block. ...
- Compound: A combination of fixed and movable pulleys forms a block and tackle