Correct option is C
A
second-class lever is characterized by the load being located between the fulcrum and the effort. This arrangement provides a mechanical advantage, making it easier to lift heavy loads.
·
Wheelbarrow: The load (in the wheelbarrow) is between the fulcrum (the wheel) and the effort (the handles where you lift).
· Nutcracker
· Bottle opener
First-class lever: The fulcrum is between the load and the effort (e.g., see-saw, pliers, scissors).
Third-class lever: The effort is between the fulcrum and the load (e.g., ice tongs, tweezers, human arm).