answersLogoWhite

0

a screw jack whose pitch is 2mm is used to raise a motor car of mass 900kg through a height of 20.0cm. The jack is 40cm if the jack is 50% efficiency Calculate (1) The velocity ratio (2) The mechanical advantage (3) effort required (4) work done by the effort

User Avatar

Alex Ojonimi

Lvl 2
4y ago

What else can I help you with?