Q&A: A wheelchair ramp needs to be 8 inches high. How long does it have to be to have a mechanical advantage of 5?

A wheelchair ramp needs to be 8 inches high. How long does it have to be to have a mechanical advantage of 5?
Best answer:
Answer by Bert KMA = (Effort Distance)/(Effort Resistance) = L/H
L = MA * H = 5 * 8″…



