So we know that:
Ramp: If you increase the distance, you'll reduce F
Lever: If you increase the lever arm, you''ll reduce F
But for the Pulley: What does the machine do to reduce F?
Ramp: If you increase the distance, you'll reduce F
Lever: If you increase the lever arm, you''ll reduce F
But for the Pulley: What does the machine do to reduce F?