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What was the invention that made lifting things easy?
The pulley
How can pulleys make life easier?
The pulley makes work of lifting easier then lifting by hand.
What is a pulley use for?
a pully was used for lifting heavy things
How many lifting power does a pulley with 2 ropes had?
a lot
Simple machines for lifting heavy objects?
A pulley is the best way.
What is a simple pulley (one wheel) used for?
Lifting light loads.
What is the definition of hoisting?
Lifting something by artificial means like a pulley.
Which requires more work lifting a 50 kg sack a vertical distanceof 2 m or lifting a 25kg sack a vertical distance of 4?
Lifting a 50 kg sack a vertical distance of 2 m requires more work, as work is calculated as force multiplied by distance. In this case, the weight of the sack (force) is higher, resulting in more work done compared to lifting a 25 kg sack a vertical distance of 4 m.
What does double pulley system mean in science?
A "double pulley" may refer to a two-block (two rope) pulley, or to the arrangement of two separate pulley blocks as a "block and tackle" -- designed to make lifting easier by reducing the necessary lifting force: a smaller force is applied over a greater distance to achieve a mechanical advantage.
What are the basic machines in elevator?
An elevator is basically a giant pulley counterbalances holding the Elevator up and a mechanized pulley lifting and lowering the room.
How is a flag a pulley?
A flag can be seen as a pulley when it is attached to a pole and raised or lowered by pulling on a rope. The pulley system allows for easy manipulation of the flag's position, similar to how a pulley facilitates the lifting of objects by distributing the force needed to raise them.
What is the name of the pulley used to pull a bucket out of a water well?
The type of pulley used to pull a bucket out of a water well is typically referred to as a "well pulley" or a "well bucket pulley." This type of pulley is specifically designed for lifting objects out of wells and is often made of durable materials such as steel or iron to withstand the weight of the bucket and its contents. Well pulleys are commonly attached to a rope or chain system to facilitate the lifting process efficiently.
