Which one of the following is a Class II lever?
Nut Cracker
A pair of pliers
Claw Hammer
Crowbar
Classify the following as levers of the first, second, and third-order.
(a) Forceps
(b) Lock and key
(c) Pliers
(d) A fishing rod
(e) A nut cracker
(f) See-saw
Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever.