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Do windmills have pulleys?
no
What is the disadvantage of adding more pulleys to a system of pulleys?
There are two disadvantages:You will have to pull the rope a long distance to move the load a relatively short distance.There will be more loss of energy to friction with more pulleys.
What compound machine consists of both fxed and movable pulleys?
A compound machine that consists of both fixed and movable pulleys is known as a block and tackle. This system combines multiple pulleys to reduce the amount of force needed to lift heavy loads. The fixed pulleys change the direction of the force applied, while the movable pulleys help distribute the weight, making lifting easier and more efficient.
Do trebuchets have pulleys?
Yes they do.
What types of pulleys are being used in a crane?
It can vary greatly depending on the crane design and size.
What is used for lifting?
pulleys
Where else are pulleys used?
assuming that your question is what jobs are pulleys used for... then the answer is any job that you need to lift something that is heavy. The pulley give a mechanical advantage when used together with other pulleys to apply more force to move the object
When two kinds of pulleys are used together what is the system called?
When two or more pulleys are used together it is called a compound pulley system.
What modern inventions have replaced pulleys?
pulleys are actually still used in elevators, cranes, and car lifts. however, they're used with motors.
How did the Romans use pulleys?
The pulley was used by the Romans to move large pieces of equipment and to create buildings. Pulleys were also used in the creation of weapons.
What is the pulley formula used to calculate the mechanical advantage of a system involving pulleys?
The pulley formula used to calculate the mechanical advantage of a system involving pulleys is MA 2n, where MA is the mechanical advantage and n is the number of pulleys in the system.
What are two pulleys that are used together?
Movable pully
What are pulleys used in groups called?
block and tackle
What are bolt pullers used for?
Pulling gears, pulleys and such.
Do pulleys only lift heavy things?
No, pulleys can be used to lift heavy or light objects. The mechanical advantage of pulleys allows for an easier lifting process regardless of the weight being lifted.
What are some pictures of pulleys that are used in everyday life?
For that you'll want Google Images, and pulleys,please see link provided.
Do pulleys increase force or redirect the force?
Pulleys can be used to either increase force or redirect the force. A single fixed pulley changes the direction of the force applied, while multiple pulleys in a system can be used to increase the force applied to lift an object.
