In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.

In a screw jack, the effort required to lower the load is __________ t

1.	In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.
A.	less than
B.	equal to
C.	more than
Answer» B. equal to