Will has a pully with 5 rope segments. Alan's pully has an equal size rope with 7 segments. Which person needs less force to do the same job?
Will Alan
A B
The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
force needed
more
less
MORE
LESS
rope segments on a pully
less
segments
force
force