The problem was that the lever arm was too short. To be honest, as I worked I wasn’t even thinking in terms of levers, and only realized that there was one after I’d fine-tuned its length by ...

A major challenge of robotic arms is the weight of the actuators, especially closer to the end of the arm. The long lever arm means more torque is required from the other actuators, and everything ...

When a lever's load arm is longer than its effort arm, it is said to be at a mechanical disadvantage. Image caption, At take-off, the high jumper applies large forces to the ground through their ...