Quotation from: General Science

Written by: Bertha M. Clark


By the time the stone has been raised the man has done as much work as
though the stone had been raised directly, but his inability to put
forth sufficient muscular force to raise the bowlder directly would
have rendered impossible a result which was easily accomplished when
through the medium of the lever he could extend his small force
through greater distance.


154. The Wheelbarrow as a Lever. The principle of the lever is
always the same; but the relative position of the important points may
vary. For example, the fulcrum is sometimes at one end, the force at
the opposite end, and the weight to be lifted between them.

PREVIOUS GROUP HOME SITE HOME NEXT
Part of the RabbitHoleResearch Project
Change Tag: ~~ 0 ~~