Final answer:
The amount of force produced by the HMS relies on the mass of the rock, the length of the lever on both sides of the fulcrum, and the force applied on the right side of the lever.
Step-by-step explanation:
The amount of force produced by the HMS relies on the mass of the rock, the length of the lever on both sides of the fulcrum, and the force applied on the right side of the lever. These factors determine the lever arm, which is the perpendicular distance between the line of action of the force and the fulcrum. The greater the force applied and the longer the lever arm, the greater the amount of force produced.