What type of simple machine is pictured here?

What simple machine is pictured here

What machine is pictured here?

What machine is pictured here?

What machine is pictured here?

What type of machine is pictured here?

What machine is pictured here?

Which class of lever is pictured here?

What class of lever is pictured here?

The work input in this picture =

The output force here is...

What class of lever is pictured here?

How could I increase the mechanical advantage of this 2nd class lever?

Just by looking at the photo and not the numbers involved, would you expect this to have a large or small mechanical advantage?

The work input here is:

The effort (input) force