In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is

In a simple screw jack, the pitch of the screw is 9 mm and length of t

1.	In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is
A.	1.5
B.	5
C.	25
D.	314
Answer» E.