Simple Machines

Name this simple machine.

Name this simple machine. 

Name this simple machine. 

A simple machine that consists a rigid bar that pivots on a fixed point

What simple machines are found in the following?

As a staircase is an example of an ​ (a)   , the spiral staircase is an example of a ​ (b)   .

Match the following pictures to the type of simple machine they are.

A slide is an example of a/an ​ (a)   . A doorknob is an example of a/an ​ (b)   . A bottle cap is an example of a/an ​ (c)   ​ . A hammer is an example of a/an ​ (d)   .

A seesaw is an example of a

Name this simple machine.