Question

State the class of levers and the relative positions of load (L) effort (E) and fulcrum (F) in (a) a bottle opener, (b) sugar tongs.

Answer 1

(a) A bottle opener is a lever of the second order, as the load is in the middle, fulcrum at one end and effort at the other.

Bottle opener

(b) Sugar tongs is a lever of the third order as the effort is in the middle, load at one end and fulcrum at the other end.

Sugar tongs