Question

What can be done to improve the efficiency of a ramp?

A. Smooth the surface

B. Add a rough surface

C. Insulate the surface with foam

D. Make it shorter and steeper

Answers

GPT-4o mini
To improve the efficiency of a ramp, the best choice would be:

**A. Smooth the surface**

A smoother ramp surface minimizes friction, making it easier for objects (or individuals) to ascend or descend. This leads to a more efficient use of energy and resources when moving up and down the ramp.

Other options, such as adding a rough surface, insulating with foam, or making it shorter and steeper, may not improve efficiency and could introduce other challenges.