In which lever system do both the muscle force and resistance force work on the same side of the fulcrum, with mechanical advantage?

In a second class lever system, both the muscle force and resistance force are positioned on the same side of the fulcrum, allowing the design to provide a mechanical advantage. This means that the effort applied can move a larger resistance with less force due to the positioning of the load and the effort relative to the fulcrum.

In this type of lever, the load is between the effort and the fulcrum, which allows the muscle to generate sufficient force with less distance traveled. A common example of a second class lever in the human body is the action of standing on tiptoes, where the ball of the foot acts as the fulcrum, the body weight acts as the load, and the effort comes from the calf muscles.

This system is particularly effective for performing tasks that require lifting heavy weights with less exerted force, making it efficient in various movements and activities requiring strength and stability.