A lever which can have mechanical advantage either less than one or more than one depending upon the position of fulcrum is a lever of :
A. First order
B. Second order
C. Third order
D. none of these
Answer:A
A lever which can have mechanical advantage either less than one or more than one depending upon the position of fulcrum is a lever of :
A. First order B. Second order C. Third order D. none of these