Steve Clayton Wrote:
-------------------------------------------------------
> Ref:
> [en.wikipedia.org]
> _device
>
> Using a rope as a lever
>
> You understand what a lever is. But can you use a
> rope as a lever? You can if you are using is as
> shown in the figure. Arrange a strong column at a
> steep angle, apply a firm attachment from the rope
> to the column and the object to be lifted, and
> apply the force horizontally, and get a great
> multiplier of force. If one combines the
> mechanical advantage of pulleys in the horizontal
> force applier, you could get even greater lifting
> force. Picture the application in the figure, and
> in this case, you could get great lift upward then
> add planks of wood to support the load at height,
> reset, and lift again, and add more blocking, and
> lift, repeat. This technology has been lost in
> history, as the use of winches with low friction
> wheeled pulleys and reduction gearing powered by
> steam and then electricity (along with steel cable
> replacing rope) took over this primitive
> technology.
>
>



Hello Steve Clayton:

By what mechanism is the “Force Applied”?



Dr. Troglodyte