Answer: correct option is (A) screw and lever.
Explanation :
Machines make our work easier. There are many types of simple machines i.e. lever, pulley, wheel and axle, screw, inclined plane and wedge.
In the given picture, there are two simple machines as screw and lever.
Nutcracker, stapler, tongs and tweezers are the example of lever.
Examples of use of screw are in a jar lid and ballpoint pens.
