Question

Many public buildings now have entrance ramps in addition to entrance stairs . Which principle explains the idea behind entrance ramps ?

A. By increasing the distance , the required force decreases
B. By increasing the distance the required force incense
C. By increasing the force , the required distance decreases
D. By inscresing the force , the requried distance increases

Answer 1

A. By increasing the distance, the required force decreases. It makes the most sense :)