I think a pulley is useful because it can help you and other people to.
That is not always true. Sometimes a fixed pulley is more useful.
The three parts of a pulley are the rope, the grooved wheel, which can also be considered a "sheave" and the weight......The three parts of the pulley are the hub, he rim, and the arms.
A fixed pulley can be used for certain reasons as for making things easier.
The 3 kinds of pulley are the Fixed, Movable and Compound Pulley.
I think a pulley is useful because it can help you and other people to.
That is not always true. Sometimes a fixed pulley is more useful.
The three parts of a pulley are the rope, the grooved wheel, which can also be considered a "sheave" and the weight......The three parts of the pulley are the hub, he rim, and the arms.
A fixed pulley can be used for certain reasons as for making things easier.
in wellsElevators, cranes, vacuums, and motors of all types, just to name a few.elevatersMany things uses a pulley. The Venetian blinds use a pulley to change the direction of force.
Fixed pulley, Movable pulley, block and tackle
The 3 kinds of pulley are the Fixed, Movable and Compound Pulley.
you can get to places faster
dimensional anaylisis is useful for many reasons, mainly because without it YOU AINT SHIzznitt so there for it is very useful
In the same way that arithmetic is useful today for many reasons
Steel is more useful than chalk for three reasons that i know of these properties are Strength, Durability, and the strength to hold heavy amounted things sorry if this wasnt what you were looking for... but this is all i got :)
Three Good Reasons was created in 1992.